Webster's 1913 Dictionary
BACKSTOP
BACKSTOP Back "stop `, n.
1. In baseball, a fence, prop. at least 9 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.
New American Oxford Dictionary
backstop
back stop |ˈbakˌstäp ˈbækstɑp | ▶noun a person or thing placed at the rear of or behind something as a barrier, support, or reinforcement: bullets volleyed into the backstop of a flood-control canal. • Baseball a high fence or similar structure behind the home plate area. • Baseball, informal a catcher: he tore the chest protector completely off the big Yankee backstop. • an emergency precaution or last resort: the human operator has to act as the ultimate backstop when things go badly wrong. ▶verb [ with obj. ] Baseball act as backstop for. • Hockey act as goaltender for. • support or reinforce: the founding banks were backstopping the loans.
Oxford Dictionary
backstop
back |stop |ˈbakstɒp | ▶noun a thing placed at the rear of something as a barrier or support. • Baseball a high fence or similar structure behind the home plate area. • Baseball a catcher. • an emergency precaution or last resort: the human operator has to act as the ultimate backstop when things go badly wrong. ▶verb [ with obj. ] Baseball act as backstop for. • Ice Hockey act as goaltender for. the man who backstopped the Edmonton Oilers. • support or reinforce: the founding banks were backstopping the loans.
Sanseido Wisdom Dictionary
backstop
b á ck st ò p 名詞 C 1 〘野球 〙バックネット (!「バックネット 」は和製英語 ) ; 捕手 .2 防壁となる物 [人 ].