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ăpertūra: ae, f. aperio (only post Aug.).I An opening (abstr.), Vitr. 4, 6 fin.; Dig. 28, 5, 3.—II An opening (concr.), aperture, a hole, Vitr. 5, 5; so id. 10, 9: Vulg. Amos, 4, 3; 9, 11.