verb-intransitive. To separate combatants by intervening.verb-intransitive. To contend, contest, or altercate, esp. in a pertinacious manner on insufficient grounds.verb-intransitive. To play fast and loose; to pass from one side to the other; to trim.v. To separate, as combatants; hence, to quiet, to appease, as disputants.v. To intervene in; to stop, or put an end to, by intervening; hence, to arbitrate.n. A shallow rapid in a river; also, the current below a waterfall.