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.