- past participle
- present participle
catcher, backstop (noun)
(baseball) the person who plays the position of catcher
(baseball) a fence or screen (as behind home plate) to prevent the ball from traveling out of the playing field
a precaution in case of an emergency
"he acted as a backstop in case anything went wrong"
act as a backstop
A device that prevents railroad cars from rolling off a railroad track.
A wall behind home plate.
A catcher; the position of catcher
To serve as backstop for.