(nā′zəl) adjective
1. Of or pertaining to the nose.
2. Phonet. Pronounced with the voiced breath passing partially or wholly through the nose, as in (m), (n), and (ng), and the French nasal vowels.
—noun Phonet. A nasal sound. [<NL nasalis <L nasus the nose]
—na·sal·i·ty (nā·zal′ ə·tē) noun

(nā′zəl) noun
A nosepiece. [<OF nasal, nasel <L nasus nose]