inorus

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

ĭnōrus, a, um, adj. [2. in-os],

without a mouth : ostreae, Turp. ap. Non. 216, 8 (Com. Rel. v. 23 Rib.; cf. Müll. ad Fest. p. 114).