lid Copy link Outline 1. ŏpercŭlum2. ŏpĕrīmentum • lid: 1. ŏpercŭlum: Cic. N. D. 2, 54, 136. 2. ŏpĕrīmentum: Plin. 2, 51, 52. Of the eye l.s, operimentum oculorum, id. 8, 42, 64 § 156. See also eye-lid.