πυρρίχη

A. war-dance, Ar. Ra. 153, X. An. 6.1.12, Pl. Lg. 816b; called from one Πύρριχος the inventor, acc. to Aristox. Fr.Hist. 46, Str. 10.3.8, 10.4.16; but acc. to Arist. Fr. 519, from its being first used at the funeral of Patroclus (from πυρά); as a prizecontest, CIG 2758 IV (Aphrodisias), 3089 (Teos).

2. generally, δειναὶ π. strange contortions, E. Andr. 1135: prov., πυρρίχην βλέπειν 'to look daggers', Ar. Av. 1169.