n (baseball) When a relief pitcher comes into a game with a 3 run or less lead, and his team wins while continually being ahead.
n (context|professional wrestling|slang) A point in a professional wrestling match when one or more wrestlers run to the ring to aid a fellow wrestler who is being beaten.
n (computing) The act, process, or result of saving data to a storagemedium.
v (transitive) To help (somebody) to survive, or keep (somebody) from harm.