nostril

• nosethirl (now Britain regional, archaic)

From earlier nosethrill, from Middle English nostril, nostrel, nosterl, nosthirl, nosethril, nosethirl, noosthril, nosethyrl, nosethurl, nesethirl, nesthyrylle, nasethirl, nesethrull, from Old English nosþyrl, næsþyrl, nosþyrel, næsþyrel, equivalent to nose +‎ thirl (“hole”). Compare Old Frisian nosterle (“nostril”), modern West Frisian noaster (“nostrill”). Compare also Middle Low German noster (“nostril”), from Proto-Germanic *nustriz (“nostril”).

• enPR: nŏs'trəl, IPA^(key): /ˈnɒstɹɪl/, /ˈnɒstɹəl/
• Rhymes: -ɒstɹəl

nostril (plural nostrils)

1. 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.

• naris
• nosehole

• internostril
• nostrilful
• nostrilled

• nostril in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• nostril in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

• nitrols