nostril

/ˈnɒs.tɹɪl/

Etymology

From Middle English nostrille, from Old English nosþyrel. Compare Old Frisian nosterle (“nostril”), modern West Frisian noaster (“nostrill”). Compare also Middle Low German noster (“nostril”), from Proto-Germanic *nustriz (“nostril”). By surface analysis, nose + thirl (“hole”).

noun

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.“[…]whether it bee that they bee broken winded and purſiue, or otherwiſe bitten and ſtung with venomous beaſts; in which caſes, there muſt be an injection made vp into the noſthrils, of the juice of Rue in wine.”