What does the word aperture mean?

Usage examples for aperture

  1. As our hero gazed at the aperture there presently became disclosed to his view the strong and robust figure of one who was evidently of a seafaring habit. – Howard Pyle's Book of Pirates by Howard I. Pyle
  2. The beam of light from the small aperture moved visibly across the opposite wall. – The Legion of Lazarus by Edmond Hamilton
  3. This is the opposite of what occurs in the case of the bud, but in both cases the aperture appears to be produced by the pressure of water in the organism. – Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
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