|Examples/ definitions with source references|
Merriam-Webster's Online Dictionary:
: to get the better of : defeat
Roget’s II: The New Thesaurus, Third Edition. 1995.
VERB: To win a victory over, as in battle or a competition: beat, best, conquer, defeat, master, overcome, prevail against or (over), rout, subdue, subjugate, surmount, triumph over, vanquish. Informal : trim, whip. Slang : ace, lick. Idioms: carry (or win) the day, get (or have) the best of, get (or have) the better of, go someone one better. See WIN.
Cambridge Advanced Learner's Dictionary
verb [T] OLD USE
to defeat someone in a fight or argument:
He was challenged to a fight but was severely worsted.