Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

Sōsĭa, ae, m., the name of a servant, in Plaut. Am. 1, 1, 209, and Ter. And 1, 1, 1; cf. Auct. Her. 4, 50, 63.
The same, called Sōsĭas, Aus. Ephem. Egress. 9.

Sŏsĭus, i, m., name of a Roman gens.

    1. 1. C. Sosius, a quœstor under M’ Lepidus, Cic. Att. 8, 6, 1.
    2. 2. Another C. Sosius, consul 722 A.U.C., Cic. Att. 9, 1, 2; Suet. Aug. 17.
    3. 3. Q. Sosius, a knight of Picenum, Cic. N. D. 3, 30, 74.
    4. 4. Sosii, famous booksellers in Rome in the time of Horace, Hor. Ep. 1, 20, 2; id. A. P. 345.
      Hence, Sŏsĭānus, a, um, adj., of or belonging to a Sosius, Sosian: Apollo, an image of Apollo brought from Seleucia to Rome by the quœstor C. Sosius, Plin. 13, 5, 11, § 53; 36, 5, 4, § 28.