TROUNCE Meaning of TROUNCE in English — trouncer , n./trowns/ , v.t., trounced, trouncing . 1. to beat severely; thrash. 2. to punish. 3. to defeat decisively. [ 1545-55; orig. uncert. ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012