nostril

noun

USNAH-struhl/ˈnɑ.stɹəl/NOS-tril/ˈnɒs.tɹɪl/AUSNOS-truhl/ˈnɔs.tɹəl/

Pluralnostrils

1 meaning of nostril

Practice

1
nouncountable
Either of the two openings in the nose, or in a bird's beak, through which air passes into the nasal passages.
The doctor shone a light into each nostril to check for swelling.
Horses flare their nostrils wide when they gallop at full speed.
Similarnare, naris

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Origin

From Middle English nostrille, from Old English nosþyrel. By surface analysis it is nose + thirl ('hole'), and it is related to Old Frisian nosterle and modern West Frisian noaster.