ŏpercŭlum — Lewis & Short
ŏpercŭlum, i, n.operio,
I a cover, covering, lid (class.):
quibus operibantur operimenta et pallia opercula dixerunt,Varr. L. L. 5, § 167 Müll.:
aspera arteria tegitur quasi quodam operculo,Cic. N. D. 2, 54, 136; Col. 8, 8, 7:
sorba in urceolos picatos adicito et opercula picata imponito,id. 12, 16, 4:
ambulatorium,a movable cover, Plin. 21, 14, 47, § 80.—Prov.:
patellae dignum operculum,like to like, Hier. Ep. 1, 7; cf. id. ib. 127 (16), n. 9.—Of the covering of walls, wainscoting, panel-work: OPERCVLA ABIEGNIA IMPONITO, Lex Puteol. Grut. 207, col. 2.