weep

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To shed (tears) as an expression of emotion.
• intransitive verb To express grief or anguish for; lament.
• intransitive verb To bring to a specified condition by weeping.
• intransitive verb To exude or let fall (drops of liquid).
• intransitive verb To express emotion, such as grief, sadness, or joy, by shedding tears. synonym: cry.
• intransitive verb To mourn or grieve.
• intransitive verb To emit or run with drops of liquid.
• noun A period or fit of weeping.

from The Century Dictionary.

• To gather moisture in drops from the atmosphere, as a water-vessel cooled with ice, or a cool metal pipe in a room where steam is present or the atmosphere is humid; also leak slowly from a joint in drops.
• noun Weeping; a fit of weeping.
• noun Exudation; sweat, as of a gum-tree; a leak, as in the joint of a pipe.
• noun Same as peweep for pewit. Also wype, wipe.
• To express sorrow, grief, or anguish by outcry; wail; lament; in more modern usage, to shed tears.
• To drop or flow as tears.
• To let fall drops; drop water; drip; hence, to rain.
• To give out moisture; be very damp.
• To have drooping branches; be pendent; droop: as, a weeping tree; the weeping willow.
• To lament; bewail; bemoan.
• To shed or let fall drop by drop, as tears; give out in drops.
• To spend or consume in weeping; exhaust in tears: usually followed by away, out, or the like.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Zoöl.) The lapwing; the wipe; -- so called from its cry.
• transitive verb To lament; to bewail; to bemoan.
• transitive verb To shed, or pour forth, as tears; to shed drop by drop, as if tears.
• imp. of weep, for wept.
• intransitive verb 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.
• intransitive verb To lament; to complain.
• intransitive verb To flow in drops; to run in drops.
• intransitive verb To drop water, or the like; to drip; to be soaked.
• intransitive verb To hang the branches, as if in sorrow; to be pendent; to droop; -- said of a plant or its branches.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb To cry, shed tears.
• verb medicine To produce secretions.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb shed tears because of sadness, rage, or pain