Lewis Short
(adjective) : ărĭĕtīnus, a, um, aries.
* Of or from a ram, ram's-: ungula,Plin. 29, 4, 27, § 88: pulmo,id. 30, 8, 22, § 72: cornua,Pall. 4, 10, 28.
* Similar to a ram's head: cicer,Col. 2, 10, 20; Plin. 18, 12, 32, § 124; Petr. 35.
* Arietinum oraculum, an ambiguous oracle (the figure taken from the divergent horns of a ram), Gell. 3, 3, 8 (cf. Serv. ad Verg. A. 4, 196).
Charlton T. Lewis, Charles Short, A Latin Dictionary