Lewis Short
(adjective) : Īsis, is, and ĭdis. f., = Ἶσις
* The Egyptian goddess Isis, Cic. N. D. 3, 19, 47; Ov. M. 9, 772; Tac. G. 9; Luc. 9, 158.
* Hence
* Deriv. Īsĭăcus, a, um, , = Ἰσιακός, of or belonging to Isis: conjectores, Enn. ap. Cic. Div. 1, 58, 132: focus,Ov. P. 1, 1, 52: Isiacae sacraria lenae,Juv. 6, 488.—Subst.: Īsĭă-cus, i, m., a priest of Isis, Suet. Dom. 1; Val. Max. 7, 3, 8; Plin. 27, 7, 29, § 53 al.
* Isidis sidus, the planet Venus, Plin. 2, 8, 6, § 37.
Charlton T. Lewis, Charles Short, A Latin Dictionary