lamb

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

• noun A young sheep, especially one that is not yet weaned.
• noun The flesh of a young sheep used as meat.
• noun Lambskin.
• noun A sweet, mild-mannered person; a dear.
• noun One who can be duped or cheated especially in financial matters.
• noun Christianity Jesus.
• intransitive verb To give birth to a young sheep.

from The Century Dictionary.

• To bring forth young, as sheep.
• noun A young animal of the sheep kind; a young sheep.
• noun A person gentle or innocent as a lamb.
• noun Hence One easily beguiled or fleeced; an inexperienced speculator who is deceived into making losing investments.
• noun Ironically, a ruffian or bully: as, Kirke's lambs (a troop of British soldiers noted for their atrocities in suppressing Monmouth's rebellion in 1685)

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

• intransitive verb To bring forth a lamb or lambs, as sheep.
• noun (Zoöl.) The young of the sheep.
• noun Any person who is as innocent or gentle as a lamb.
• noun A simple, unsophisticated person; in the cant of the Stock Exchange, one who ignorantly speculates and is victimized.
• noun (Script.) the Jesus Christ, in allusion to the paschal lamb.
• noun (Bot.) an annual plant with small obovate leaves (Valerianella olitoria), often used as a salad; corn salad.
• noun a carpenter's plane with a deep narrow bit, for making curved grooves.
• noun [Obs.] Ale mixed with the pulp of roasted apples; -- probably from the resemblance of the pulp of roasted apples to lamb's wool.

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

• noun A young sheep, of up to one year of age.
• noun The flesh of a lamb used as food.
• noun figuratively A person who is meek, docile and easily led.
• verb intransitive Of a sheep, to give birth.
• verb transitive or intransitive To assist (sheep) to give birth.

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

• noun a sweet innocent mild-mannered person (especially a child)
• verb give birth to a lamb
• noun young sheep
• noun English essayist (1775-1834)
• noun a person easily deceived or cheated (especially in financial matters)
• noun the flesh of a young domestic sheep eaten as food