H0024200 (hā′pə-nē, hāp′nē)n.pl.half·pence(hā′pəns) or half·pen·nies1. a. A British coin worth one half of a new penny.b. A British coin worth one half of an old penny, no longer in circulation.2. The sum of one half of a penny.EncyclopediaSeehalfpenny