penny

from The Century Dictionary.

• noun In archery, a measure of weight for arrows, equal to one twelfth of the weight of a new (British) silver shilling: as, a 4s. 6d. arrow.
• noun A silver coin weighing 22 ½ grains, or the 240th part of a Tower pound.
• noun In Great Britain, a copper (since 1860 bronze) token coin, of which twelve are equal to a shilling and 240 to a pound sterling.
• noun In the United States, a cent.
• noun An insignificant coin or value; a small sum.
• noun Money in general: as, it cost a pretty penny (a good round sum); to turn an honest penny.
• noun Pound: only in composition, in the phrases fourpenny, sixpenny, eightpenny, tenpenny nails, designating nails of such sizes that 1,000 will weigh 4, 6, 8, or 10 pounds.

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

• noun A former English coin, originally of copper, then of bronze, the twelfth part of an English shilling in account value, and equal to four farthings, or about two cents; -- usually indicated by the abbreviation d. (the initial of denarius).
• noun Any small sum or coin; a groat; a stiver.
• noun Money, in general.
• noun (Script.) See Denarius.
• noun (Bot.) an annual herb of the Mustard family, having round, flat pods like silver pennies (Thlaspi arvense). Also spelled pennycress.
• noun (Zoöl.) a kind of shark found on the South coast of Britain: the tope.
• noun a penurious person; a miser; a niggard. The latter phrase is now obsolete.
• noun (Bot.), [R.] pennyroyal.
• noun a post carrying a letter for a penny; also, a mail carrier.
• noun wise or prudent only in small matters; saving small sums while losing larger; penny-wise; -- used chiefly in the phrase, penny wise and pound foolish.
• adjective Denoting the weight in pounds for one thousand; -- used in combination, with respect to nails.
• adjective Worth or costing one penny.

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

• noun historical In the United Kingdom and Ireland, a copper coin worth 1/240 of a pound sterling or Irish pound before decimalisation. Abbreviation: d.
• noun In the United Kingdom, a copper coin worth 1/100 of a pound sterling.
• noun historical In Ireland, a coin worth 1/100 of an Irish pound before the introduction of the euro. Abbreviation: p.
• noun In the US and Canada, a one-cent coin, worth 1/100 of a dollar. Abbreviation: ¢.
• noun In various countries, a small denomination copper or brass coin.
• noun A unit of nail size, said to be either the cost per 100 nails, or the number of nails per penny. Abbreviation: d.
• verb slang To jam a door shut by inserting pennies between the doorframe and the door.
• verb electronics To circumvent the tripping of an electrical circuit breaker by the dangerous practice of inserting a coin in place of a fuse in a fuse socket.

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

• noun a coin worth one-hundredth of the value of the basic unit
• noun a fractional monetary unit of Ireland and the United Kingdom; equal to one hundredth of a pound