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English definition of “backstop”

backstop

noun [C] uk   /ˈbæk.stɒp/ us    /-stɑːp/

backstop noun [C] (PLAYER)

(in rounders) a player who stands directly behind the player from the opposing team who is trying to hit the ball, and attempts to catch the ball after it has been thrown if the person does not hit it US informal for catcher

backstop noun [C] (FENCE)

(in baseball) a high fence behind the player hitting the ball, that prevents balls from leaving the playing area if they are not hit or caught
(Definition of backstop from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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