Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun aperture

3 senses of aperture

Sense 1
aperture -- (a device that controls amount of light admitted)
       => regulator -- (any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc.)

Sense 2
aperture -- (a natural opening in something)
       => hole -- (an opening into or through something)

Sense 3
aperture -- (an man-made opening; usually small)
       => opening -- (a vacant or unobstructed space that is man-made; "they left a small opening for the cat at the bottom of the door")