ally (subs.) Copy link • ally (subs.): sŏcĭus: they unite the Boii to themselves as a.s, Boios socios sibi asciscunt, Caes.: an a. and friend of the Roman people, s. et amicus populi R., Sall.: the Latin a.s, socii Latini nominis, Liv. Phr.: a law relating to a.s, lex socialis, Cic.: Liv.: the war with the a.s, bellum sociale, Flor.: v. allied.