ex-cavo, no perf., ātum, 1, v. a., to hollow out. Lit.: trullam, Cic. Verr. 2, 4, 27 fin.: cavernam sibi rostro, Plin. 9, 27, 43, § 82: ripas, id. 10, 33, 49, § 95: terram, id. 33 prooem.: lapides excavant aquae, Vulg. Job, 14, 19.

— Transf., in mal. part., Auct. Priap. 51, 4.