Ar"i*e*tate (&?;), v. i. [L. arietatus, p. p. of arietare, fr. aries ram.] To butt, as a ram. [Obs.] Ar`i*e*ta"tion (&?;), n. [L. arietatio.] 1. The act of butting like a ram; act of using a battering-ram. [Obs.] Bacon.