Main Entry:

¹back·stop

Pronunciation:

\-ˌstäp\

Function:

noun

Date:

1851

1: something at the back serving as a stop: as a: a screen or fence for keeping a ball from leaving the field of play b: a stop (as a pawl) that prevents a backward movement (as of a wheel) 2: a player (as the catcher) positioned behind the batter