noun.
A device that stops or prevents, as a spark arrester that prevents sparks from being released to start fires.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a restraint that slows airplanes as they land on the flight deck of an aircraft carrier
Word Usage
"GOELZ: And -- and you can have these things called arrester beds that will stop an overrun, but you really need 500 or 650 feet of arrester bed to stop a plane."