Longman Dictionary of Contemporary English homepage

Topic: BIOLOGY

Language: Old English
Origin: nosthyrl 'nose-hole'

nostril

 noun
     
nos‧tril [countable]
HB one of the two holes at the end of your nose, through which you breathe and smell things:
The smell of gunpowder filled his nostrils.
the horse's flaring nostrils (=widened nostrils)
Definition of nostril from the Longman Dictionary of Contemporary English within
the topic BIOLOGY
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