solo Copy link Outline I. VocalII. Instrumental • solo: I. Vocal: *unius cantus: also cantĭcum (a song in the Roman comedy, sung by one person, and accompanied by music and dancing): Cic.: Liv.: to sing a s., *solus canere or cantare. II. Instrumental: Phr.: he plays a s. on the lyre, flute, etc., *solus fidibus, tibiis canit or cantat: a male s.-singer, *monodiarius, Not. Tir. p. 173: a female s.-singer, *monodiaria, Inscr.