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† pyrrhĭcha, ae, and pyrrhĭchē, ēs, f., = πυρριχη, 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 adj.: ars pyrrhicha, Sid. Ep. 9, 15, 7.