n. An ancient Grecian warlike dance, in quick and light measure, accompanied by the flute.Of or pertaining to the Greek martial dance called a pyrrhic.In prosody, consisting of two short times or syllables: as, a pyrrhic foot; composed of or pertaining to feet so constituted: as, pyrrhic verse; pyrrhic rhythm.n. In ancient prosody, a foot consisting of two short times or syllables. ;Pertaining to Pyrrhus, especially to Pyrrhus, King of Epirus (see phrase below).