Dictionary.net

Of or pertaining to the satiric Greek poet Archilochus; as, Archilochian meter.

In a verse of seven feet, the first four dactyls or spondees, the last three trochees.

är-ki-l[=o]'ki-an, adj. pertaining to the Greek lyric poet Archilochus of Paros (714-676 B.C.), the supposed originator of iambic metre, noted for the bitterness of his satire--hence the proverbial phrases, 'Archilochian bitterness' and 'Parian verse:' a lesser Archilochian verse = a dactylic hexameter alternating with a penthemim; a greater Archilochian, a verse consisting of four dactyls and three trochees.