The Collaborative International Dictionary of English v.0.48:

Rig \Rig\, n.
   1. (Naut.) The peculiar fitting in shape, number, and
      arrangement of sails and masts, by which different types
      of vessels are distinguished; as, schooner rig, ship rig,
      etc. See Illustration in Appendix.
      [1913 Webster]

   2. Dress; esp., odd or fanciful clothing. [Colloq.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Rig \Rig\, n. [Cf. Wriggle.]
   1. A romp; a wanton; one given to unbecoming conduct. [Obs.]
      --Fuller.
      [1913 Webster]

   2. A sportive or unbecoming trick; a frolic.
      [1913 Webster]

   3. A blast of wind. [Prov. Eng.] --Wright.
      [1913 Webster]

            That uncertain season before the rigs of Michaelmas
            were yet well composed.               --Burke.
      [1913 Webster]

   To run a rig, to play a trick; to engage in a frolic; to do
      something strange and unbecoming.
      [1913 Webster]

            He little dreamt when he set out
            Of running such a rig.                --Cowper.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Rig \Rig\, v. i.
   To play the wanton; to act in an unbecoming manner; to play
   tricks. "Rigging and rifling all ways." --Chapman.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Rig \Rig\, v. t.
   To make free with; hence, to steal; to pilfer. [Obs. or
   Prov.] --Tusser.
   [1913 Webster]

   To rig the market (Stock Exchange), to raise or lower
      market prices, as by some fraud or trick. [Cant]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Rig \Rig\, n. [See Ridge.]
   A ridge. [Prov. or Scott.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Rig \Rig\, v. t. [imp. & p. p. Rigged; p. pr. & vb. n.
   Rigging.] [Norweg. rigga to bind, particularly, to wrap
   round, rig; cf. AS. wr[imac]han to cover.]
   1. To furnish with apparatus or gear; to fit with tackling.
      [1913 Webster]

   2. To dress; to equip; to clothe, especially in an odd or
      fanciful manner; -- commonly followed by out.
      [1913 Webster]

            Jack was rigged out in his gold and silver lace.
                                                  --L'Estrange.
      [1913 Webster]

   To rig a purchase, to adapt apparatus so as to get a
      purchase for moving a weight, as with a lever, tackle,
      capstan, etc.

   To rig a ship (Naut.), to fit the shrouds, stays, braces,
      etc., to their respective masts and yards.
      [1913 Webster]

WordNet (r) 3.0 (2006):

rig
    n 1: gear (including necessary machinery) for a particular
         enterprise
    2: a truck consisting of a tractor and trailer together [syn:
       trailer truck, tractor trailer, trucking rig, rig,
       articulated lorry, semi]
    3: formation of masts, spars, sails, etc., on a vessel [syn:
       rig, rigging]
    4: a set of clothing (with accessories); "his getup was
       exceedingly elegant" [syn: outfit, getup, rig,
       turnout]
    5: gear used in fishing [syn: fishing gear, tackle, fishing
       tackle, fishing rig, rig]
    6: a vehicle with wheels drawn by one or more horses [syn:
       carriage, equipage, rig]
    7: the act of swindling by some fraudulent scheme; "that book is
       a fraud" [syn: swindle, cheat, rig]
    v 1: arrange the outcome of by means of deceit; "rig an
         election" [syn: rig, set up]
    2: manipulate in a fraudulent manner; "rig prices" [syn: rig,
       manipulate]
    3: connect or secure to; "They rigged the bomb to the ignition"
    4: equip with sails or masts; "rig a ship" [syn: rig, set,
       set up]

Moby Thesaurus II by Grady Ward, 1.0:

184 Moby Thesaurus words for "rig":
   Dalai Lama, Holy Roman Emperor, Inca, Kaiser, accouter,
   accouterments, adulterate, angle, antic, apparatus, appliances,
   appoint, appointments, appurtenances, ardri, arm, armament,
   ballet skirt, bamboozle, bey, bib and tucker, brew, buskin, cabal,
   cacique, caesar, cap and bells, caparison, caper, cham, chicane,
   collude, complot, con, concoct, connive, conspire, conveniences,
   cook, cook up, costume, countermine, counterplot, czar, disguise,
   doctor, dress, duffel, engineer, equip, equipage, equipment,
   facilities, facility, fake, finagle, finesse, fit, fit out, fit up,
   fittings, fix, fixtures, flimflam, fool, four-in-hand, frame,
   frame up, frock, frolic, furnish, furnishings, furniture, gear,
   getup, guise, gull, habit, harness, hatch, hatch a plot, hatch up,
   heel, hoax, hoodwink, impedimenta, installations, intrigue, juggle,
   kaid, khan, kit, lark, lay a plot, livery, load, machinate,
   machinery, man, maneuver, manipulate, masquerade, materiel, mikado,
   monkeyshine, motley, munition, munitions, negus, operate, outfit,
   pack, pack the deal, padishah, pair, paraphernalia, pendragon,
   pharaoh, plan, plant, plot, plumbing, prearrange, preconcert,
   precontrive, predesign, premeditate, preorder, prepare, randem,
   retouch, rig out, rig up, rigging, ropework, roping,
   running rigging, sachem, sagamore, salt, scheme, service, serving,
   set up, setout, sew up, shah, sheikh, shenanigan, shines, shogun,
   sock, sophisticate, span, spike, spike team, stack,
   stack the cards, staff, standing rigging, stock-in-trade, suit,
   tackle, tackling, tamper with, tandem, team, tenno, things,
   three-up, tights, trappings, trick, trousseau, turn out, turnout,
   tutu, tycoon, unicorn, uniform, utensils, wangle, wardrobe,
   whipping



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

RIG
       Related Interest Group


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

RIG
       Rochester Intelligent Gateway (OS)