Pri`a*pe"an (?), n. [Cf. L. Priapeius pertaining to Priapus.] (Lat. Pros.) A species of hexameter verse so constructed as to be divisible into two portions of three feet each, having generally a trochee in the first and the fourth foot, and an amphimacer in the third; -- applied also to a regular hexameter verse when so constructed as to be divisible into two portions of three feet each. Andrews.