HALFPENNY Meaning of HALFPENNY in English [ 'heɪpni ](also ha'penny ) ■ noun ( plural for separate coins halfpennies , for a sum of money halfpence 'heɪp(ə)ns ) a former British coin equal to half an old or new penny. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004