1819, in cricket, from back (adj.) + stop (n.). In U.S. baseball, from 1889, "fence behind the catcher;" figurative extension to "catcher on a baseball team" is from 1890. The verb [..]

A structure intended to safely stop a fired bullet or other projectile(s).

(n) (baseball) the person who plays the position of catcher(n) (baseball) a fence or screen (as behind home plate) to prevent the ball from traveling out of the playing field(n) a precaution in case o [..]

an obvious feature located beyond the desired point (control or other feature) that indicates that the target point has been overshot (passed by).

A bag that lands past the hole but remains on the board creating a backboard for a slider to knock into without going off the board.

a barrier behind home plate to stop the ball if the catcher misses it.

see anti-roll back device.

Numeric code used to identify the skill category of a particular position (USAID Automated Directives System - ADS - Chapter 415).

A carrier class mapping to a ship service without any rules specified. This is like a safety net ensuring all shipments using that ship service are fulfilled. Any shipments that don't match rules set in other carrier class mappings will default to the backstop mapping.

A thing or a person put in the rear or in the back of something to reinforce, hold, support. (baseball) A wall or fence behind home plate. (baseball,_|slang) A catcher; the position of catcher. [..]