Ar"bi*trate (?), v. t. [imp. & p. p. Arbitrated (?); p. pr. & vb. n. Arbitrating (?).] [L. arbitratus, p. p. of arbitrari to be a hearer or beholder of something, to make a decision, to give judgment, fr. arbiter. See Arbiter.] 1. To hear and decide, as arbitrators; as, to choose to arbitrate a disputed case.

2. To decide, or determine generally. South.

There shall your swords and lances arbitrate
The swelling difference of your settled hate.

Ar"bi*trate (?), v. i. 1. To decide; to determine. Shak.

2. To act as arbitrator or judge; as, to arbitrate upon several reports; to arbitrate in disputes among neighbors; to arbitrate between parties to a suit.