aperture apertural • apertured · · · Info · Definitions · Characters · · aperture · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a device that controls amount of light admitted. · · Noun Definition 1 (noun) a natural opening in something. · · Noun Definition 2 (noun) an man-made opening; usually small. · · Noun Definition 3 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075