catcher UK /ˈkæt͡ʃə/US /ˈkæt͡ʃəɹ/ noun6 •Someone or something that catches. •The player who squats behind home plate and receives the pitches from the pitcher.Finding Dempsey in my mind's eye in January was not quite startling, ...but some other catchers turned up in my hot-stove reveries as well. Bob Boone, for instance. — 1989 •The webbed glove that the goaltender wears on the hand opposite the hand that holds the stick. •Short for mailcatcher (“device for a moving train to pick up mail”) •(informal, slang) The bottom partner in a homosexual relationship or sexual encounter between two men. •(no longer used) A wrestler. formscatchers