Definition
properly, to toss, i.e. grapple; mostly figuratively, to wrangle, i.e. hold a controversy; (by implication) to defend
Derivation
or רוּב; a primitive root;
King James Version Usage
adversary, chide, complain, contend, debate, [idiom] ever, [idiom] lay wait, plead, rebuke, strive, [idiom] thoroughly.