DICT.TW Dictionary Taiwan

 back·stop /-ˌstɑp/
 擋球網,捕手

 Back·stop n.
 1. In baseball, a fence, prop. at least 90 feet behind the home base, to stop the balls that pass the catcher; also, the catcher himself.
 2.  In rounders, the player who stands immediately behind the striking base.
 3.  In cricket, the longstop; also, the wicket keeper.
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 backstop
      n : (baseball) a fence or screen (as behind home plate)
      v : act as a backstop