APERTURE Meaning of APERTURE in English [ 'apətʃə , -tj(ʊ)ə ]■ noun an opening, hole, or gap. ↘the variable opening by which light enters a camera.OriginME: from L. apertura , from apert- , aperire 'to open'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004