- Enter a word for the dictionary definition.
From The Collaborative International Dictionary of English v.0.48:
Nostril \Nos"tril\, n. [OE. nosethril, nosethirl, AS. nos[thorn]yrl; nos for nosu nose + [thorn]yrel opening, hole, from [thorn]yrel pierced, for [thorn]yrhel, fr. purh through. [root]261. See Nose, and Through, and cf. Thrill.] [1913 Webster] 1. (Anat.) 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. [1913 Webster] 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. [1913 Webster] 2. Perception; insight; acuteness. [Obs.] [1913 Webster] Methinks a man Of your sagacity and clear nostril should Have made another choice. --B. Jonson. [1913 Webster]