Lewis Short
(adjective) : sōlĭvăgus, a, um, solus - vagor (Ciceron.).
* Lit., wandering or roving alone; of animals that lead a solitary life: earum (bestiarum) partim solivagas, partim congregatas,Cic. Tusc. 5, 13, 38.—Of persons: non est enim singulare nec solivagum genus hoc (hominum),id. Rep. 1, 25, 39: (elephanti) minume ex omnibus solivagi,Plin. 8, 7, 7, § 23; v. solitarius.
* Transf., alone, by itself, single, solitary (rare): caelo solivago et volubili et in orbem incitato,Cic. Univ. 6, 18: solivaga, cognitio et jejuna,contracted,id. Off. 1, 44, 157: virginitas,standing alone, incomparable,Mart. Cap. 1, § 40.
Charlton T. Lewis, Charles Short, A Latin Dictionary