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Definition of penny
(Entry 1 of 2)
1a : a monetary unit of the United Kingdom formerly equal to ¹/₂₄₀ pound but now equal to ¹/₁₀₀ pound
b : a similar monetary unit of any of various other countries in or formerly in the Commonwealth of Nations — see pound at Money Table
c : a coin representing one penny
2 : denarius
4 : a former monetary unit equal to ¹/₁₀₀ Irish pound
5 : a trivial amount
6 : a piece or sum of money
that will cost a pretty penny
-penny
adjective combining formDefinition of -penny (Entry 2 of 2)
: being a (designated) nail size
an eightpenny nail
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Time Traveler for penny
The first known use of penny was before the 12th century
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