noun
Colloquial term for a moustache, literally 'nose hair' but distinct from 鼻毛 (nose hair inside the nostrils). Often used in casual conversation.
See also: 口髭
彼は立派な鼻ひげを生やしている。
He has a fine moustache.
鼻ひげを剃るのを忘れた。
I forgot to shave my moustache.
Compound of 鼻 (nose) and ひげ (facial hair). The exact historical derivation is uncertain, but it is a straightforward descriptive term.