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.