half gainerEnglishOxford New American Dictionaryhalf gainer /ˌhaf ˈɡānər, ˌhæf ˈɡeɪnər / ▸ noun a dive in which the diver leaves the diving board facing forward, does a half-somersault backward, and enters the water head first facing the board.
EnglishOxford New American Dictionary
