The Collaborative International Dictionary of English v.0.48:

Guide \Guide\, v. t. [imp. & p. p. Guided; p. pr. & vb. n.
   Guiding.] [OE. guiden, gyden, F. guiaer, It. guidare; prob.
   of Teutonic origin; cf. Goth. ritan to watch over, give heed
   to, Icel. viti signal, AS. witan to know. The word prob.
   meant, to indicate, point to, and hence, to show the way. Cf.
   Wit, Guy a rope, Gye.]
   [1913 Webster]
   1. To lead or direct in a way; to conduct in a course or
      path; to pilot; as, to guide a traveler.
      [1913 Webster]

            I wish . . . you 'ld guide me to your sovereign's
            court.                                --Shak.
      [1913 Webster]

   2. To regulate and manage; to direct; to order; to
      superintend the training or education of; to instruct and
      influence intellectually or morally; to train.
      [1913 Webster]

            He will guide his affairs with discretion. --Ps.
                                                  cxii. 5.
      [1913 Webster]

            The meek will he guide in judgment.   --Ps. xxv. 9.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Guide \Guide\, n. [OE. giae, F. guide, It. guida. See Guide,
   v. t.]
   1. A person who leads or directs another in his way or
      course, as in a strange land; one who exhibits points of
      interest to strangers; a conductor; also, that which
      guides; a guidebook.
      [1913 Webster]

   2. One who, or that which, directs another in his conduct or
      course of life; a director; a regulator.
      [1913 Webster]

            He will be our guide, even unto death. --Ps. xlviii.
                                                  14.
      [1913 Webster]

   3. Any contrivance, especially one having a directing edge,
      surface, or channel, for giving direction to the motion of
      anything, as water, an instrument, or part of a machine,
      or for directing the hand or eye, as of an operator; as:
      (a) (Water Wheels) A blade or channel for directing the
          flow of water to the wheel buckets.
      (b) (Surgery) A grooved director for a probe or knife.
      (c) (Printing) A strip or device to direct the
          compositor's eye to the line of copy he is setting.
          [1913 Webster]

   4. (Mil.) A noncommissioned officer or soldier placed on the
      directing flank of each subdivision of a column of troops,
      or at the end of a line, to mark the pivots, formations,
      marches, and alignments in tactics. --Farrow.
      [1913 Webster]

   Guide bar (Mach.), the part of a steam engine on which the
      crosshead slides, and by which the motion of the piston
      rod is kept parallel to the cylinder, being a substitute
      for the parallel motion; -- called also guide, and
      slide bar.

   Guide block (Steam Engine), a block attached in to the
      crosshead to work in contact with the guide bar.

   Guide meridian. (Surveying) See under Meridian.

   Guide pile (Engin.), a pile driven to mark a place, as a
      point to work to.

   Guide pulley (Mach.), a pulley for directing or changing
      the line of motion of belt; an idler. --Knight.

   Guide rail (Railroads), an additional rail, between the
      others, gripped by horizontal driving wheels on the
      locomotive, as a means of propulsion on steep gradients.
      [1913 Webster]

WordNet (r) 3.0 (2006):

guide
    n 1: someone employed to conduct others [syn: usher, guide]
    2: someone who shows the way by leading or advising
    3: something that offers basic information or instruction [syn:
       guidebook, guide]
    4: a model or standard for making comparisons [syn: template,
       templet, guide]
    5: someone who can find paths through unexplored territory [syn:
       scout, pathfinder, guide]
    6: a structure or marking that serves to direct the motion or
       positioning of something
    v 1: direct the course; determine the direction of travelling
         [syn: steer, maneuver, manoeuver, manoeuvre,
         direct, point, head, guide, channelize,
         channelise]
    2: take somebody somewhere; "We lead him to our chief"; "can you
       take me to the main entrance?"; "He conducted us to the
       palace" [syn: lead, take, direct, conduct, guide]
    3: be a guiding or motivating force or drive; "The teacher
       steered the gifted students towards the more challenging
       courses" [syn: guide, steer]
    4: use as a guide; "They had the lights to guide on" [syn:
       guide, guide on]
    5: pass over, across, or through; "He ran his eyes over her
       body"; "She ran her fingers along the carved figurine"; "He
       drew her hair through his fingers" [syn: guide, run,
       draw, pass]

Moby Thesaurus II by Grady Ward, 1.0:

412 Moby Thesaurus words for "guide":
   Baedeker, Dutch uncle, Gyropilot, Masan, Polonius, abecedarian,
   accompany, admonisher, advise, adviser, advisor, advocate,
   air hole, allegorist, ancestor, ancestral spirits, angel,
   annotator, announcer, antecedent, apparition, appearance, armhole,
   arrow, astral, astral spirit, attend, attendant godling,
   automatic pilot, avant-garde, backseat driver, banshee,
   be the bellwether, beacon, bell cow, bellwether, blaze,
   blaze the trail, blowhole, boatheader, boatsteerer,
   break the trail, brief, broaden the mind, buccinator, bullet-hole,
   bunghole, bushwhacker, buttinsky, call the shots, catechize,
   certified teacher, chaperon, chart a course, chute, cicerone,
   civilize, clarifier, coach, commentator, compass needle,
   compendium, cond, conduct, conductor, confer, confidant, conn,
   consult with, consultant, contrive, control, convoy, counsel,
   counselor, courier, cowherd, coxswain, cringle, criterion, critic,
   cryptanalyst, cryptographer, cryptologist, daemon, deadeye, dean,
   decide, decoder, definer, demon, demonstrate, demonstrator,
   demythologizer, departed spirit, determine, diaskeuast, direct,
   direction, direction post, director, disembodied spirit, dispose,
   docent, doctor, dominie, don, doyen, dragoman, drive, drover,
   duppy, dybbuk, eaves trough, edify, editor, educate, educationist,
   educator, eidolon, emendator, emender, enchiridion, engineer,
   enlighten, escort, esquire, euhemerist, example, exegesist,
   exegete, exegetist, exemplar, expert, explainer, explicator,
   explorer, exponent, expositor, expounder, eye, eyelet,
   fairy godmother, familiar, familiar spirit, fellow, finger post,
   fist, forebear, foregoer, forerun, forerunner, form, front runner,
   frontiersman, fugleman, gasket, genius, genius domus, genius loci,
   get ahead of, get before, ghost, give instruction, give lessons in,
   go before, go-between, goatherd, good angel, good genius, govern,
   grateful dead, grommet, ground, groundbreaker, guard, guardian,
   guardian angel, guardian spirit, guideboard, guidebook, guidepost,
   guider, guiding light, guru, gutter, hand, handbook, handle, hant,
   harbinger, haunt, have the conn, have the start, head,
   head the line, helm, helmsman, herald, herd, herdsman, hermeneut,
   hold the reins, hour hand, household gods, ideal, idolum, illumine,
   immateriality, incorporeal, incorporeal being, incorporeity, index,
   index finger, influence, inform, innovator, inspiration, instruct,
   instructor, interpreter, introduce, invisible helper, keyhole,
   kibitz, kibitzer, knothole, landmark, lap, lares and penates,
   lares compitales, lares familiaris, lares permarini,
   lares praestites, lares viales, larva, lead, lead runner,
   lead the dance, lead the way, leader, lemures, lexicographer,
   light, light the way, lodestar, loop, loophole, lubber line,
   maestro, manage, manes, maneuver, manhole, manual, marker, marshal,
   master, materialization, meddle, meddler, melamed, mentor, mercury,
   messenger, metaphrast, milepost, ministering angel, minute hand,
   model, monitor, mousehole, mullah, navigate, navigator, needle,
   nestor, numen, oneirocritic, oni, open the eyes, operate, order,
   orienter, outstrip, oversee, pace, pandit, paraphrast, pathfinder,
   pedagogist, pedagogue, peephole, penates, penstock, pentrough,
   phantasm, phantasma, phantom, pigeonhole, pilot, pinhole, pioneer,
   placket, placket hole, point, pointer, poltergeist, porthole,
   precede, precedent, preceptist, preceptor, precursor, predecessor,
   prescribe, presence, professor, propose, punch-hole, pundit, rabbi,
   recommend, reeducate, regulate, revenant, river pilot, route, rule,
   run, scholiast, school, schoolkeeper, schoolmaster, schoolteacher,
   scout, see, set right, set the pace, shade, shadow, shape,
   shape a course, sharpen the wits, shepherd, shoot, show, show how,
   show the way, shrouded spirit, sign, signal, signboard, signpost,
   spearhead, special providence, specter, spectral ghost, spiracle,
   spirit, spook, sprite, squire, stand first, standard, starets,
   steer, steerer, steersman, stormy petrel, submit, suggest,
   superintend, supervise, sway, take out, take the helm,
   take the lead, tap, teach, teach a lesson, teach the rudiments,
   teacher, textual critic, theophany, totem, tour director,
   tour guide, trailblazer, trailbreaker, train, translator, trough,
   tutelar god, tutelary, tutor, unsubstantiality, usher, usher in,
   vade mecum, vanguard, vaunt-courier, vent, venthole, vision,
   voortrekker, wait on, walking dead man, wandering soul,
   wear the pants, wraith, zombie



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

GUIDE
       Graphical User Interface Design Editor (Sun)


The Free On-line Dictionary of Computing (30 December 2018):

GUIDE

   Graphical User Interface Development Environment from Sun.


The Free On-line Dictionary of Computing (30 December 2018):

Guide

   A hypertext system from the University of Kent (GB) and
   OWL for displaying on-line documentation.