Category:Nostril

Nos"tril, n. Etym: [oe. nosethril, nosethirl, as. nospyrl; nos for Nosu nose + pyrel opening, hole, from pyrel pierced, for pyrhel, fr. Purh through. Nose, and through, and cf. Thrill.]

1. (anat.)

Defn: one of the external openings of the nose, which give passage to The air breathed and to secretions from the nose and eyes; one of the Anterior nares.

Note: in sperm whales, porpoises, and allied animals, there is only One nostril, which is situated on the top of the head and called a Spiracle.

2. Perception; insight; acuteness. [obs.] Methinks a man of your sagacity and clear nostril should have made Another choice. B. Jonson.