Online Google Dictionary

nostril 中文解釋 wordnet sense Collocation Usage Collins Definition
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nostrils, plural;
  1. Either of two external openings of the nasal cavity in vertebrates that admit air to the lungs and smells to the olfactory nerves

  1. either one of the two external openings to the nasal cavity in the nose
  2. Either of the two orifices located on the nose (or on the beak of a bird); used as a passage for air and other gases to travel the nasal passages
  3. (Nostrils) paired openings in the nose where air passes
  4. (Nostrils) As in humans, birds have paired, external openings to their respiratory systems known as nostrils (or nares). They open into passages in the skull and ultimately lead to the windpipe (trachea). ...
  5. where the nasal cavity opens into the upper jaw.
  6. The circular aperture of the nose opening.  I hope I don’t need to define this term for all of you!
  7. A piercing done through the nostril. Should never be pierced with a piercing gun!