[so.lo] n, pl solos [It, fr. solo alone, fr. L solus] (1695) 1 or pl so.li a: a musical composition for a single voice or instrument with or without accompaniment b: the featured part of a concerto or similar work
2: a performance in which the performer has no partner or associate
3: any of several card games in which a player elects to play without a partner against the other players
[2]solo adv (1712): without a companion: alone "fly ~" [3]solo adj (1774): of, relating to, or being a solo "a ~ performance" [4]solo vi so.loed ; so.lo.ing (1886): to perform by oneself; esp: to fly an airplane without one's instructor on board