noun ( pl. -ies )
1.
(also ha'penny ) /ˈheɪpni/ a British coin in use until 1971, worth half a penny. There were 480 halfpennies in a pound.
2.
/ˈhɑːfpeni/ (also half·pence /ˌhɑːfˈpens/) a British coin in use between 1971 and 1984, worth half a penny. There were 200 halfpennies in a pound.