Talasio (Talassio), ōnis, or Ta-lassius (Thal-), ii, m., a congratulatory exclamation to a bride, in use from the time of Romulus, like the Gr. Ὑμὴν ὦ ν̔μέναιε. Its meaning was unknown to the ancient writers themselves, but it was probably the name of the god of marriage,