Found one definition

  1.                 From WordNet dictionary, version 3.0:
                    

    nasal n. 1. a consonant produced through the nose with the mouth closed Synonyms: nasal consonant 2. an elongated rectangular bone that forms the bridge of the nose Synonyms: nasal bone, os nasale a. 1. of or in or relating to the nose; "nasal passages" Synonyms: rhinal 2. sounding as if the nose were pinched; "a whining nasal voice" Synonyms: adenoidal, pinched