The Collaborative International Dictionary of English v.0.48:

March \March\ (m[aum]rch), n. [L. Martius mensis Mars'month fr.
   Martius belonging to Mars, the god of war: cf. F. mars. Cf.
   Martial.]
   The third month of the year, containing thirty-one days.
   [1913 Webster]

         The stormy March is come at last,
         With wind, and cloud, and changing skies. --Bryant.
   [1913 Webster]

   As mad as a March Hare, an old English Saying derived from
      the fact that March is the rutting time of hares, when
      they are excitable and violent. --Wright.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

March \March\, v. i. [imp. & p. p. Marched; p. pr. & vb. n.
   Marching.] [F. marcher, in OF. also, to tread, prob. fr. L.
   marcus hammer. Cf. Mortar.]
   1. To move with regular steps, as a soldier; to walk in a
      grave, deliberate, or stately manner; to advance steadily.
      --Shak.
      [1913 Webster]

   2. To proceed by walking in a body or in military order; as,
      the German army marched into France.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

March \March\, v. t.
   To cause to move with regular steps in the manner of a
   soldier; to cause to move in military array, or in a body, as
   troops; to cause to advance in a steady, regular, or stately
   manner; to cause to go by peremptory command, or by force.
   [1913 Webster]

         March them again in fair array.          --Prior.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

March \March\, n. [OE. marche, F. marche; of German origin; cf.
   OHG. marcha, G. mark, akin to OS. marka, AS. mearc, Goth.
   marka, L. margo edge, border, margin, and possibly to E. mark
   a sign. [root]106. Cf. Margin, Margrave, Marque,
   Marquis.]
   A territorial border or frontier; a region adjacent to a
   boundary line; a confine; -- used chiefly in the plural, and
   in English history applied especially to the border land on
   the frontiers between England and Scotland, and England and
   Wales.
   [1913 Webster]

         Geneva is situated in the marches of several dominions
         -- France, Savoy, and Switzerland.       --Fuller.
   [1913 Webster]

         Lords of waste marches, kings of desolate isles.
                                                  --Tennyson.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

March \March\, n. [F. marche.]
   1. The act of marching; a movement of soldiers from one
      stopping place to another; military progress; advance of
      troops.
      [1913 Webster]

            These troops came to the army harassed with a long
            and wearisome march.                  --Bacon.
      [1913 Webster]

   2. Hence: Measured and regular advance or movement, like that
      of soldiers moving in order; stately or deliberate walk;
      steady onward movement; as, the march of time.
      [1913 Webster]

            With solemn march
            Goes slow and stately by them.        --Shak.
      [1913 Webster]

            This happens merely because men will not bide their
            time, but will insist on precipitating the march of
            affairs.                              --Buckle.
      [1913 Webster]

   3. The distance passed over in marching; as, an hour's march;
      a march of twenty miles.
      [1913 Webster]

   4. A piece of music designed or fitted to accompany and guide
      the movement of troops; a piece of music in the march
      form.
      [1913 Webster]

            The drums presently striking up a march. --Knolles.
      [1913 Webster]

   To make a march, (Card Playing), to take all the tricks of
      a hand, in the game of euchre.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

March \March\, v. i. [Cf. OF. marchir. See 2d March.]
   To border; to be contiguous; to lie side by side. [Obs.]
   [1913 Webster]

         That was in a strange land
         Which marcheth upon Chimerie.            --Gower.
   [1913 Webster]

   To march with, to have the same boundary for a greater or
      less distance; -- said of an estate.
      [1913 Webster]

WordNet (r) 3.0 (2006):

March
    n 1: the month following February and preceding April [syn:
         March, Mar]
    2: the act of marching; walking with regular steps (especially
       in a procession of some kind); "it was a long march"; "we
       heard the sound of marching" [syn: march, marching]
    3: a steady advance; "the march of science"; "the march of time"
    4: a procession of people walking together; "the march went up
       Fifth Avenue"
    5: district consisting of the area on either side of a border or
       boundary of a country or an area; "the Welsh marches between
       England and Wales" [syn: borderland, border district,
       march, marchland]
    6: genre of music written for marching; "Sousa wrote the best
       marches" [syn: marching music, march]
    7: a degree granted for the successful completion of advanced
       study of architecture [syn: Master of Architecture,
       MArch]
    v 1: march in a procession; "They processed into the dining
         room" [syn: march, process]
    2: force to march; "The Japanese marched their prisoners through
       Manchuria"
    3: walk fast, with regular or measured steps; walk with a
       stride; "He marched into the classroom and announced the
       exam"; "The soldiers marched across the border"
    4: march in protest; take part in a demonstration; "Thousands
       demonstrated against globalization during the meeting of the
       most powerful economic nations in Seattle" [syn:
       demonstrate, march]
    5: walk ostentatiously; "She parades her new husband around
       town" [syn: parade, exhibit, march]
    6: cause to march or go at a marching pace; "They marched the
       mules into the desert"
    7: lie adjacent to another or share a boundary; "Canada adjoins
       the U.S."; "England marches with Scotland" [syn: border,
       adjoin, edge, abut, march, butt, butt against,
       butt on]

Moby Thesaurus II by Grady Ward, 1.0:

322 Moby Thesaurus words for "march":
   Berlin wall, Pillars of Hercules, abut, accord, adjoin, advance,
   advancement, advancing, airing, ambit, amble, anabasis, arena,
   around, backpack, bailiwick, bamboo curtain, be getting along,
   beat, beef, befringe, bind, bitch, boggle, border, border ground,
   border line, borderland, bound, boundary, boundary condition,
   boundary line, bourn, bow out, boycott, break boundary,
   breakoff point, butt, buzz off, call in question, career, ceiling,
   challenge, check, circle, circuit, circumscription, clasp,
   cling to, come away, communicate, compass, complain, complaint,
   compunction, confine, constitutional, correspond, cortege, course,
   cry out against, cutoff, cutoff point, dead march, deadline,
   defile, delimitation, demesne, demonstrate, demonstrate against,
   demonstration, demur, demurrer, depart, department, determinant,
   dispute, division line, domain, dominion, double march,
   double time, double-quick, dovetail, drift along, edge, egress,
   end, enframe, enter a protest, exception, exit, expostulate,
   expostulation, extend, extremity, field, file, file off, finish,
   fit in, floor, flow on, follow close upon, footslog, forced march,
   forward motion, forwardal, forwarding, frame, fringe, frontier,
   frontier post, funeral march, furtherance, furthering, gang along,
   gee, get along, get away, get off, get on, get out, get under way,
   go, go along, go away, go off, go on, go on parade, go out,
   go with, go-ahead, goose step, goose-step, grievance,
   grievance committee, half step, hang about, headway, hedge, hem,
   hemisphere, high-water mark, hike, holler, hover over, howl,
   huddle, hug, hug the shore, indignation meeting, interface,
   iron curtain, jaunt, jog on, join, judicial circuit, jurisdiction,
   keep close to, kick, lap, leave, lie by, limen, limit, limitation,
   limiting factor, line, line of demarcation, list, low-water mark,
   lower limit, make an exit, march off, march on, march out,
   march with, marches, marchland, marge, margin, marginate, mark,
   martial music, mete, military march, military music, mosey, move,
   move away, move off, move out, mush, neighbor, nonviolent protest,
   object, objection, ongoing, onward course, orb, orbit, outpost,
   outskirts, pace, pale, parade, parallel, pass out, passage,
   peripatetic journey, peripateticism, periphery, picket, picketing,
   precinct, press objections, proceed, procession,
   processional march, proficiency, progress, progression,
   progressiveness, promenade, promotion, protest,
   protest demonstration, protestation, province, provinces, pull out,
   purfle, purl, qualm, quick march, quick time, quickstep,
   quickstep march, raise a howl, rally, ramble, realm,
   recessional march, remonstrance, remonstrate, remonstration, rim,
   roll on, rolling, rolling on, round, rub on, run on, run out,
   sashay, sashay off, saunter, schlep, scruple, set off, side,
   sit in, sit-in, skirt, sling, slog, slow march, slow time, sphere,
   square, squawk, stagger along, stalk, stand by, start,
   starting line, starting point, state a grievance, stay inshore,
   stay near, step, stretch, stride, strike, stroll, strut, tailgate,
   take flight, take wing, tally, target date, teach in, teach-in,
   term, terminal date, terminus, territory, three-mile limit,
   threshold, time allotment, toddle along, touch, traipse, tramp,
   travel, tread, trek, trim, trudge, turn, twelve-mile limit,
   up and go, upper limit, verge, walk, walk out, walking tour, way,
   wedding march, wing it, yell bloody murder