What is "archilochian"

Archilochian \Ar`chi*lo"chi*an\, a. [L. Archilochius.] Of or pertaining to the satiric Greek poet Archilochus; as, Archilochian meter.

Archilochian or archilochean is a term used in the metrical analysis of Ancient Greek and Latin poetry. The name is derived from Archilochus, whose poetry first uses the rhythms.