Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
The nostrils or nasal openings, -- the anterior nares being theexternal or proper nostrils, and the posterior nares, the openings ofthe nasal cavities into the mouth or pharynx.
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions