Dictionary
back•stop
Pronunciation: (bak'stop"), [key]
—n., v., -stopped, -stop•ping.
—
n.
1. a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
2. Baseball.the catcher.
3. a person or thing that serves as a support, safeguard, or reinforcement:
There were technicians on board as backstops to the automated controls.
—
v.i.
to act as a backstop.
—
v.t.
to act as a backstop to:
The government agreed to backstop companies that invested in oil exploration. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.