GNU Collaborative International Dictionary of English

Found 2 definitions

1.       
   Nasal , a. [F., from L. nasus the nose. See Nose.]
    (Anat.) Of or pertaining to the nose.
   1913 Webster
   (Phon.) Having a quality imparted by means of the nose; and specifically, made by lowering the soft palate, in some cases with closure of the oral passage, the voice thus issuing (wholly or partially) through the nose, as in the consonants m, n, ng (see Guide to Pronunciation, §§ 20, 208); characterized by resonance in the nasal passage; as, a nasal vowel; a nasal utterance.
   1913 Webster
   Nasal bones (Anat.), two bones of the skull, in front of the frontals. -- Nasal index (Anat.), in the skull, the ratio of the transverse breadth of the anterior nasal aperture to the height from the base of the aperture to the nasion, which latter distance is taken as the standard, equal to 100.
   1913 Webster
   
         
       

2.       
   Nasal, n.
   An elementary sound which is uttered through the nose, or through both the nose and the mouth simultaneously.
   1913 Webster
   (Med.) A medicine that operates through the nose; an errhine. [Archaic]
   1913 Webster
   (Anc. Armor) Part of a helmet projecting to protect the nose; a nose guard.
   1913 Webster
   (Anat.) One of the nasal bones.
   1913 Webster
   (Zool.) A plate, or scale, on the nose of a fish, etc.
   1913 Webster