lock (v.) Copy link Outline 1. occlūdo, si, sum, 3 (to prevent access)2. conclūdo, 3 (to shut up or confine in any way)3. exclūdo, 3 (to shut out in any way) • lock (v.): 1. occlūdo, si, sum, 3 (to prevent access): to l. a door from the outside, (ostium) foris oc., Pl. Most. 2, 1, 58: on the inner side a door could be fastened without a key: cf. Pl. l. c. v. 77: one for whom nothing is sealed or l.'d, cui nihil sit nec obsignatum nec occlusum, Cic. de Or. 2, 61, 248: to l. up a house, aedes oc., Ter. Eun. 4, 7, 14. 2. conclūdo, 3 (to shut up or confine in any way): v. to shut up. 3. exclūdo, 3 (to shut out in any way): strengthened by foras (to turn out of doors), Pl. Mil. 4, 1, 30. Phr.: to be kept l.'d up, sub clavi esse, Varr. R. R. 1, 22, fin. See also to confine, imprison.