priapean

from The Century Dictionary.

• Of or pertaining to Priapus.
• In ancient prosody, noting a certain verse or meter. See the noun.
• [lowercase] Having a priapism.
• noun In ancient prosody, a logaœdic meter consisting of a catalectic Glyconic and a Pherecratean.

from the GNU version of the Collaborative International Dictionary of English.

• noun (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.