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sŭŏvĕtaurīlĭa, or sōlĭtaurīlĭa, ĭum, n. [sus-ovis-taurus; cf. Quint. 1, 5, 67 Spald.; Fest. p. 293 Müll., or sollus-taurus], a sacrifice consisting of a swine, a sheep, and a bull, offered esp. at lustrations: solitaurilia hostiarum trium diversi generis immolationem significant, tauri, arietis, verris, quod omnes eae solidi integrique sint corporis, etc., Fest. p. 293: Mars pater lustri faciendi ergo macte hisce suovetaurilibus lactentibus esto, an old formula of prayer, Cato, R. R. 141, 3 sq.; cf. id. ib. 144, 1; Varr. R. R. 2, 1, 10; Liv. 1, 44, 2; 8, 10, 14; Tac. A. 6, 37; id. H. 4, 53; Fest. s. v. opima, p. 189 Müll.; Inscr. Fr. Arv. ap. Marin. 32; 41; 43.
Form solitaurilia, Ps.-Ascon. ap. Cic. Div. in Caecil. 3; cf. Fest. p. 293 Müll.