Usage Note
Nasenflügel denotes the curved outer wall of each nostril. Die Nasenflügel blähen sich describes flared nostrils, as when someone is out of breath or excited. The word is used in everyday description and medical contexts.
Examples
"Ihre Nasenflügel blähten sich vor Aufregung leicht auf."
Natural Translation
Her nostrils flared slightly with excitement.
Literal Translation
Her nostril-wings puffed themselves with excitement slightly up.

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