a bronze coin, the 100th part of the dollars of various nations, as Australia, Canada, New Zealand, and the United States; one cent.
2.
Also called new penny.a bronze coin and monetary unit of the United Kingdom and various other nations, the 100th part of a pound. Abbreviation:p
3.
a former bronze coin and monetary unit of the United Kingdom and various other nations, the 12th part of a shilling: use phased out in 1971. Abbreviation:d.
4.
a sum of money: He spent every penny he ever earned.
5.
the length of a nail in terms of certain standard designations from twopenny to sixtypenny.
–adjective
6.
Stock Exchange. of, pertaining to, or being penny stock: frenzied speculation in the penny market.
—Idioms
7.
a bad penny, someone or something undesirable.
8.
a pretty penny, Informal. a considerable sum of money: Their car must have cost them a pretty penny.
9.
Chiefly BritishSlang. spend a penny, to urinate: from the former cost of using a public lavatory.
10.
turn an honest penny, to earn one's living honestly; make money by fair means: He's never turned an honest penny in his life.
Origin: bef. 900; ME peni, OE penig, pænig, pen(n)ing, pending, c. OFris penning, panning, OS, D penning, OHG pfenning, phantinc, phenting (G Pfennig), ON penningr (perh. < OE); < WGmc or Gmc *pandingaz, prob. equiv. to *pand-pawn2+ *-ingaz-ing3
[pen-ee] 
noun, plural pen⋅nies, (especially collectively for 2, 3) pence, adjective 
i