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