The Collaborative International Dictionary of English v.0.48:

Griffin \Grif"fin\, Griffon \Grif"fon\, n. [OE. griffin,
   griffon, griffoun, F. griffon, fr. L. gryphus, equiv to
   gryps, Gr. ?; -- so called because of the hooked beak, and
   akin to grypo`s curved, hook-nosed.]
   [1913 Webster]
   1. (Myth.) A fabulous monster, half lion and half eagle. It
      is often represented in Grecian and Roman works of art.
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   2. (Her.) A representation of this creature as an heraldic
      charge.
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   3. (Zool.) A species of large vulture (Gyps fulvus) found
      in the mountainous parts of Southern Europe, North Africa,
      and Asia Minor; -- called also gripe, and grype. It is
      supposed to be the "eagle" of the Bible. The bearded
      griffin is the lammergeir. [Written also gryphon.]
      [1913 Webster]

   4. An English early apple.
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The Collaborative International Dictionary of English v.0.48:

Gripe \Gripe\, v. i.
   1. To clutch, hold, or pinch a thing, esp. money, with a
      gripe or as with a gripe.
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   2. To suffer griping pains. --Jocke.
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   3. (Naut.) To tend to come up into the wind, as a ship which,
      when sailing closehauled, requires constant labor at the
      helm. --R. H. Dana, Jr.

   2. to complain
      [PJC]

The Collaborative International Dictionary of English v.0.48:

Gripe \Gripe\, n.
   1. Grasp; seizure; fast hold; clutch.
      [1913 Webster]

            A barren scepter in my gripe.         --Shak.
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   2. That on which the grasp is put; a handle; a grip; as, the
      gripe of a sword.
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   3. (Mech.) A device for grasping or holding anything; a brake
      to stop a wheel.
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   4. Oppression; cruel exaction; affiction; pinching distress;
      as, the gripe of poverty.
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   5. Pinching and spasmodic pain in the intestines; -- chiefly
      used in the plural.
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   6. (Naut.)
      (a) The piece of timber which terminates the keel at the
          fore end; the forefoot.
      (b) The compass or sharpness of a ship's stern under the
          water, having a tendency to make her keep a good wind.
      (c) pl. An assemblage of ropes, dead-eyes, and hocks,
          fastened to ringbolts in the deck, to secure the boats
          when hoisted; also, broad bands passed around a boat
          to secure it at the davits and prevent swinging.
          [1913 Webster]

   Gripe penny, a miser; a niggard. --D. L. Mackenzie.
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The Collaborative International Dictionary of English v.0.48:

Gripe \Gripe\, n. [See Grype.] (Zool.)
   A vulture; the griffin. [Obs.]
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         Like a white hind under the gripe's sharp claws.
                                                  --Shak.
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   Gripe's egg, an alchemist's vessel. [Obs.] --E. Jonson.
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The Collaborative International Dictionary of English v.0.48:

Gripe \Gripe\, v. t. [imp. & p. p. Griped; p. pr. & vb. n.
   Griping.] [AS. gripan; akin to D. grijpen, G. greifen, OHG.
   gr?fan, Icel. gripa, Sw. gripe, Dan. gribe, Goth. greipan;
   cf. Lith. graibyti, Russ. grabite to plunder, Skr. grah,
   grabh, to seize. Cf. Grip, v. t., Grope.]
   [1913 Webster]
   1. To catch with the hand; to clasp closely with the fingers;
      to clutch.
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   2. To seize and hold fast; to embrace closely.
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            Wouldst thou gripe both gain and pleasure ?
                                                  --Robynson
                                                  (More's
                                                  Utopia).
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   3. To pinch; to distress. Specifically, to cause pinching and
      spasmodic pain to the bowels of, as by the effects of
      certain purgative or indigestible substances.
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            How inly sorrow gripes his soul.      --Shak.
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The Collaborative International Dictionary of English v.0.48:

Grype \Grype\, n. [Gr. gry`f, grypo`s, griffin. See Griffin.]
   (Zool.)
   A vulture; the griffin. [Written also gripe.] [Obs.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

gripe
    n 1: informal terms for objecting; "I have a gripe about the
         service here" [syn: gripe, kick, beef, bitch,
         squawk]
    v 1: complain; "What was he hollering about?" [syn: gripe,
         bitch, grouse, crab, beef, squawk, bellyache,
         holler]

Moby Thesaurus II by Grady Ward, 1.0:

291 Moby Thesaurus words for "gripe":
   abduct, ache, aching, adhere to, afflict, aggravate, agonize, ail,
   air a grievance, angina, annoy, backache, badger, bait,
   bare cupboard, bare subsistence, be at, bear hug, bedevil, beef,
   beefing, beggarliness, beggary, bellyache, bellyaching, beset,
   bitch, bitching, bite, bleat, blow off, bother, brawl, bristle,
   brown off, bug, bullyrag, burn, burn up, cardialgia, carp, carping,
   carry off, cavil, cavilling, cephalalgia, chafe, chivy,
   cholera morbus, clamor, clamp, clasp, claws, cleave to, clench,
   clinch, cling, clinging, clip, clutch, clutches, colic,
   collywobbles, command, complain, complaining, complaint,
   constipation, control, convulse, costiveness, crab, cramp, crib,
   croak, crucify, cut, death grip, deprivation, destitution,
   destructive criticism, devil, diarrhea, discompose, dissent,
   distemper, distress, disturb, dog, domination, dominion, dysentery,
   dyspepsia, earache, embrace, empty purse, exasperate, excruciate,
   exercise, fash, faultfinding, fester, firm hold, flux, foothold,
   footing, freeze to, fret, fret and fume, fuss, gall, get,
   give pain, gnaw, gnawing, grapple, grasp, grate, grievance, grind,
   grinding poverty, grip, gripes, griping, groan, groaning, grouch,
   grouse, grousing, growl, grumble, grumbling, grunt, gut-ache, hand,
   hand-to-mouth existence, hands, hang on, hang on to, harass,
   harrow, harry, headache, heartburn, heckle, hector, helm,
   hemicrania, hold, hold fast, hold on, hold on to, hold tight,
   holler, homelessness, hound, howl, hug, hurt, impoverishment,
   indigence, indigestion, inflame, inflict pain, irk, iron grip,
   iron hand, irregularity, irritate, jurisdiction, keep hold of,
   kick, kicking, kidnap, kill by inches, lacerate, lack, lientery,
   lodge a complaint, martyr, martyrize, mastership, mastery, megrim,
   mendicancy, miff, migraine, moan, moaning, molest, moneylessness,
   murmur, murmuring, mutter, nag, nagging, necessitousness,
   necessity, need, neediness, needle, nettle, never let go, nip,
   nudzh, objection, obstipation, odontalgia, otalgia, pain, pang,
   pauperism, pauperization, peeve, peevishness, penury, persecute,
   pester, pet peeve, petulance, pick on, pierce, pinch, pique,
   plague, pluck the beard, pother, power, prick, privation,
   prolong the agony, protest, provoke, purchase, put to torture,
   pyrosis, querulousness, rack, raise a howl, rankle, rasp,
   register a complaint, reins of government, ride, rile, roil, rub,
   ruffle, scolding, seizure, shanghai, sick headache, sniping,
   splitting headache, squawk, squawking, stab, stick to, sting,
   stomachache, take on, talons, tease, tenure, throbbing pain,
   throttle, tight grip, toehold, toothache, torment, torture, trots,
   try the patience, tweak, tweak the nose, twinge, twist, vex, want,
   whimper, whimpering, whine, whining, worry, wound, wring, yammer,
   yap, yapping, yawp, yelp