Lewis Short
Sĕrēnus | Sĕrēna, ae (noun M.f) : m.; , , f.1. serenus
* A proper name.
* Q. Serenus Sammonicus, a physician under Septimius Severus, Spart. Get. 5, 5; Macr. 3, 16, 6.
* Q. Serenus Sammonicus, son of the preceding, author of a poem, De Medicina, still extant, Lampr. Alex. 30, 2; cf. Teuffel's Roem. Lit. 379, 4.
* Serena, the wife of Stilicho, and mother-in-law of the emperor Honorius, celebrated by Claudian in a special poem (Laus Serenae Reginae).
Charlton T. Lewis, Charles Short, A Latin Dictionary