Available Definitions:
1) v. i. - To separate combatants by intervening.
2) v. i. - To contend, contest, or altercate, esp. in a pertinacious manner on insufficient grounds.
3) v. i. - To play fast and loose; to pass from one side to the other; to trim.
4) v. t. - To separate, as combatants; hence, to quiet, to appease, as disputants.
5) v. t. - To intervene in; to stop, or put an end to, by intervening; hence, to arbitrate.
6) v. t. & i. - A shallow rapid in a river; also, the current below a waterfall.