The Collaborative International Dictionary of English v.0.48:

Weep \Weep\, n. (Zool.)
   The lapwing; the wipe; -- so called from its cry.
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The Collaborative International Dictionary of English v.0.48:

Weep \Weep\, v. t.
   1. To lament; to bewail; to bemoan. "I weep bitterly the
      dead." --A. S. Hardy.
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            We wandering go
            Through dreary wastes, and weep each other's woe.
                                                  --Pope.
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   2. To shed, or pour forth, as tears; to shed drop by drop, as
      if tears; as, to weep tears of joy.
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            Tears, such as angels weep, burst forth. --Milton.
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            Groves whose rich trees wept odorous gums and balm.
                                                  --Milton.
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The Collaborative International Dictionary of English v.0.48:

Weep \Weep\, obs.
   imp. of Weep, for wept. --Chaucer.
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The Collaborative International Dictionary of English v.0.48:

Weep \Weep\, v. i. [imp. & p. p. Wept (w[e^]pt); p. pr. & vb.
   n. Weeping.] [OE. wepen, AS. w[=e]pan, from w[=o]p
   lamentation; akin to OFries. w?pa to lament, OS. w[=o]p
   lamentation, OHG. wuof, Icel. [=o]p a shouting, crying, OS.
   w[=o]pian to lament, OHG. wuoffan, wuoffen, Icel. [oe]pa,
   Goth. w[=o]pjan. [root]129.]
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   1. Formerly, to express sorrow, grief, or anguish, by outcry,
      or by other manifest signs; in modern use, to show grief
      or other passions by shedding tears; to shed tears; to
      cry.
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            And they all wept sore, and fell on Paul's neck.
                                                  --Acts xx. 37.
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            Phocion was rarely seen to weep or to laugh.
                                                  --Mitford.
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            And eyes that wake to weep.           --Mrs. Hemans.
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            And they wept together in silence.    --Longfellow.
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   2. To lament; to complain. "They weep unto me, saying, Give
      us flesh, that we may eat." --Num. xi. 13.
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   3. To flow in drops; to run in drops.
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            The blood weeps from my heart.        --Shak.
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   4. To drop water, or the like; to drip; to be soaked.
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   5. To hang the branches, as if in sorrow; to be pendent; to
      droop; -- said of a plant or its branches.
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WordNet (r) 3.0 (2006):

weep
    v 1: shed tears because of sadness, rage, or pain; "She cried
         bitterly when she heard the news of his death"; "The girl
         in the wheelchair wept with frustration when she could not
         get up the stairs" [syn: cry, weep] [ant: express
         joy, express mirth, laugh]

Moby Thesaurus II by Grady Ward, 1.0:

140 Moby Thesaurus words for "weep":
   bag, bawl, bemoan, bewail, bleed, blubber, boohoo, break down,
   burst into tears, cascade, condense, cry, daggle, dangle, depend,
   deplore, dirge, discharge, dissolve in tears, distill, drabble,
   drag, draggle, drape, dribble, drip, dripple, drizzle, droop, drop,
   drop a tear, drum, effuse, effusion, egest, elegize, eliminate,
   emit, excrete, excretion, exfiltrate, exfiltration, extravasate,
   extravasation, exudate, exudation, exude, fall, fester, filter,
   filtering, filtrate, filtration, flap, flop, flow, give off,
   give out, give sorrow words, greet, grieve, gurgle, hang,
   hang down, keen, knell, lactate, lament, leach, leaching, leak,
   leak out, lixiviate, lixiviation, lop, matter, mizzle, moan, mourn,
   nod, ooze, oozing, pass, patter, pelt, pend, percolate,
   percolating, percolation, pipe, pitter-patter, pour,
   pour with rain, precipitate, produce, rain, rain tadpoles, rankle,
   reek, repine, ripen, run, sag, secern, secrete, seep, seepage, sew,
   shed tears, shower, shower down, sigh, sing the blues, snivel, sob,
   sorrow, spatter, spit, sprinkle, spurtle, strain, straining,
   stream, suppurate, swag, sweat, swing, tattoo, tear, trail,
   transpire, transudation, transude, trickle, trill, wail, water,
   weep over, weeping, whimper