▸ adjective
2 Phonetics (of a speech sound) pronounced by the voice resonating in the nose, e.g., m, n, ng. Compare with oral (SENSE 2 OF THE adjective).
▪ (of the voice or speech) produced or characterized by resonating in the nose as well as the mouth:
a drawling nasal voice.
– ORIGIN Middle English (in nasal (SENSE 2 OF THE noun)): from medieval Latin nasalis, from Latin nasus ‘nose’.