Meaning of knock out

Definition of knock out

(verb) eliminate; "knock out a target"
knock unconscious or senseless; "the boxing champion knocked out his opponent in a few seconds"
destroy or break forcefully; "The windows were knocked out"
overwhelm with admiration; "All the guys were knocked out by her charm"
empty (as of tobacco) by knocking out; "knocked out a pipe"

Other information on knock out

WIKIPEDIA results for knock out
Amazon results for knock out