Lewis Short
(adjective) = πυρριχη,: pyrrhĭcha, ae, and pyrrhĭchē, ēs, f.
* A dance in armor, the Pyrrhic dance, Plin. 7, 56, 57, § 204: elephas lasciviente pyrrhiche conludere,id. 8, 2, 2, § 5; Suet. Caes. 39; id. Ner. 12; Spart. Hadr 19; App. M. 10, p. 253, 18.—As : ars pyrrhicha,Sid. Ep. 9, 15, 7.
Charlton T. Lewis, Charles Short, A Latin Dictionary