The Collaborative International Dictionary of English v.0.48:

Crib \Crib\ (kr[i^]b), n. [AS. crybb; akin to OS. kribbja, D.
   krib, kribbe, Dan. krybbe, G. krippe, and perh. to MHG. krebe
   basket, G, korb, and E. rip a sort of wicker basket.]
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   1. A manger or rack; a feeding place for animals.
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            The steer lion at one crib shall meet. --Pope.
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   2. A stall for oxen or other cattle.
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            Where no oxen are, the crib is clean. --Prov. xiv.
                                                  4.
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   3. A small inclosed bedstead or cot for a child.
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   4. A box or bin, or similar wooden structure, for storing
      grain, salt, etc.; as, a crib for corn or oats.
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   5. A hovel; a hut; a cottage.
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            Why rather, Sleep, liest thou in smoky cribs, . . .
            Than in the perfumed chambers of the great? --Shak.
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   6. (Mining) A structure or frame of timber for a foundation,
      or for supporting a roof, or for lining a shaft.
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   7. A structure of logs to be anchored with stones; -- used
      for docks, pier, dams, etc.
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   8. A small raft of timber. [Canada]
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   9. A small theft; anything purloined; a plagiarism; hence, a
      translation or key, etc., to aid a student in preparing or
      reciting his lessons. [Colloq.]
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            The Latin version technically called a crib. --Ld.
                                                  Lytton.
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            Occasional perusal of the Pagan writers, assisted by
            a crib.                               --Wilkie
                                                  Collins.
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   10. A miner's luncheon. [Cant] --Raymond.
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   11. (Card Playing) The discarded cards which the dealer can
       use in scoring points in cribbage.
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The Collaborative International Dictionary of English v.0.48:

Crib \Crib\, v. t. [imp. & p. p. Cribbed (kr[i^]bd); p. pr. &
   vb. n. Cribbing.]
   1. To shut up or confine in a narrow habitation; to cage; to
      cramp.
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            If only the vital energy be not cribbed or cramped.
                                                  --I. Taylor.
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            Now I am cabin'd, cribbed, confined.  --Shak.
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   2. To pilfer or purloin; hence, to steal from an author; to
      appropriate; to plagiarize; as, to crib a line from
      Milton. [Colloq.]
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            Child, being fond of toys, cribbed the necklace.
                                                  --Dickens.
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The Collaborative International Dictionary of English v.0.48:

Crib \Crib\, v. i.
   1. To crowd together, or to be confined, as in a crib or in
      narrow accommodations. [R.]
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            Who sought to make . . . bishops to crib in a
            Presbyterian trundle bed.             --Gauden.
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   2. To make notes for dishonest use in recitation or
      examination. [College Cant]
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   3. To seize the manger or other solid object with the teeth
      and draw in wind; -- said of a horse.
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WordNet (r) 3.0 (2006):

crib
    n 1: baby bed with high sides made of slats [syn: crib, cot]
    2: a literal translation used in studying a foreign language
       (often used illicitly) [syn: pony, trot, crib]
    3: a bin or granary for storing grains
    4: the cards discarded by players at cribbage
    5: a card game (usually for two players) in which each player is
       dealt six cards and discards one or two [syn: cribbage,
       crib]
    v 1: use a crib, as in an exam
    2: take unauthorized (intellectual material)
    3: line with beams or planks; "crib a construction hole"

Moby Thesaurus II by Grady Ward, 1.0:

366 Moby Thesaurus words for "crib":
   Colonial bed, Hollywood bed, Nissen hut, Quonset hut,
   abiding place, abode, abstract, act like, address, affect,
   amplification, and, annex, appropriate, archives, armory, arsenal,
   assume, attic, bag, bagnio, bank, basement, bassinet, bawdy house,
   bawdyhouse, bay, beat, bed-davenport, beef, beguile of, bellyache,
   berth, betting house, betting parlor, bilingual text, bilk, bin,
   blast, blow off, bonded warehouse, bookcase, boost, booth,
   bordello, borrow, bottle up, box, box in, box up, brothel, bunco,
   bunk, bunk bed, bunker, burn, buttery, cabin, cage, camp bed,
   cantonment, cargo dock, casino, casket, cathouse, cavity, cell,
   cellar, cellule, chamber, cheat, check, chest, chisel, chorus,
   chouse, chouse out of, clavis, cloister, closet, coffin, cog,
   cog the dice, compartment, con, confine, conservatory, constrain,
   coop, coop in, coop up, cop, copy, cork up, cot, counterfeit,
   cozen, crab, cradle, cramp, crash pad, crate, crypt, cupboard,
   day bed, decipherment, decoding, defraud, den, den of vice,
   depository, depot, detain, diddle, disorderly house, ditto, dive,
   do, do in, do like, do out of, dock, domicile, domus, door bed,
   double bed, double bunk, drawer, dump, duplex bed, dwelling,
   dwelling place, echo, elevator, embezzle, encage, encase, enclose,
   enclosed space, entomb, euchre, exchequer, extort,
   faithful translation, fake, feather bed, fence in, filch, finagle,
   flam, flat, fleece, flimflam, fob, fold-away bed, forge,
   four-poster, free translation, fudge, fuss, gambling den,
   gambling hall, gambling hell, gambling house, gaming house, garner,
   gatehouse, glory hole, gloss, glossary, go like, godown, gouge,
   grain bin, grain elevator, granary, gull, gyp, habitation, hammock,
   have, hayloft, haymow, hayrick, hell, hem in, hocus, hocus-pocus,
   hoke, hoke up, hold, hold in custody, hold in restraint, hole,
   hollow, hook, hospital bed, house of assignation, house of joy,
   house of prostitution, hut, hutch, imitate, immure, impound,
   infringe a copyright, inhibit, interlinear,
   interlinear translation, joint, keep in, keep in custody,
   keep in detention, key, king-size bed, kiosk, lean-to, library,
   lift, locker, lodging, lodging place, lodgment, loose translation,
   lower berth, lumber room, lumberyard, magasin, magazine, make like,
   make off with, manger, metaphrase, mew, mew up, mirror, mow, mulct,
   nest, nip, outbuilding, outhouse, pack the deal, pad, pallet, palm,
   panel bed, panel den, panel house, paraphrase, pavilion, pen,
   pen up, pew, pigeon, pilfer, pinch, pipe berth, pirate, place,
   place to live, plagiarize, poach, pony, poolroom, poster bed,
   pound, practice fraud upon, purloin, quarter berth, queen-size bed,
   rack, rail in, red-light district, reecho, reflect, repeat,
   repertory, repository, reservoir, residence, restatement, restrain,
   restrict, rewording, rick, roll-away bed, roof, rook,
   run away with, rustle, scam, screw, scrounge, seal up, seat,
   sell gold bricks, sentry box, shack, shackle, shanty, shave, shed,
   shelf, shoplift, shortchange, shut in, shut up, silo, simulate,
   single bed, sink of iniquity, snare, snatch, snitch, sofa-bed,
   sporting house, squawk, stack, stack room, stack the cards, stall,
   steal, stew, stews, stick, sting, stock room, storage, store,
   storehouse, storeroom, straiten, supply base, supply depot,
   swindle, swipe, take, take a dive, tank, tenderloin, tester bed,
   thieve, thimblerig, three-quarter bed, throw a fight, tollbooth,
   tollhouse, transcription, translation, transliteration,
   treasure house, treasure room, treasury, trot, truckle bed,
   trundle bed, vat, vault, victimize, walk off with, wall in,
   warehouse, whorehouse, wine cellar, yammer