1. backstop - Noun
2. backstop - Verb
3. Backstop - Proper noun
(baseball) a fence or screen (as behind home plate) to prevent the ball from traveling out of the playing field
(baseball) the person who plays the position of catcher
act as a backstop
a precaution in case of an emergency
Source: WordNetThe risk from terrorism remains acute and the private market cannot continue to operate without a government backstop. Michael Oxley
He turned his head, reacted in a microsecond, and hit the deck just before a hundred-mile-an-hour fastball zipped past his ear and clanged into the wire backstop. Had the pitch been another inch lower or a few miles an hour faster, he would have been beaned and, at that speed, possibly killed. Lis Wiehl
he acted as a backstop in case anything went wrong Source: Internet
A few more broken windows have been added to the building at the western edge of the campus for example, and a few years ago some trees got chopped down, one of which collapsed atop the baseball backstop and crushed it. Source: Internet
As a result, we can no longer depend upon the pragmatic, thoughtful approach of our country’s courts to be a backstop for political attacks on birth control, LGBTQ rights or abortion. Source: Internet
Bonds greeted his teammates and then his wife, Liz Watson, and daughter Aisha Lynn behind the backstop. Source: Internet