I. Only-begotten, only: “idcirco singularem deus hunc mundum atque unigenam procreavit,” Cic. Univ. 4, 10.—In Christian authors, of Christ: “dominus deusque,” Paul. Nol. Carm. 5, 46; cf. unigenitus.—
II. Born of one parent, of one or the same family (poet.): te, Phoebe, relinquens Unigenamque simul cultricem montibus Idri, i. e. Diana, sister of Phoebus. Cat. 64, 301; of Zephyrus, as brother of Memnon, id. 66, 53.