Pronunciation: (bī-nôr'ul, bin-ôr'ul), [key]
1. having two ears.
2. of, with, or for both ears: binaural hearing; a binaural stethoscope.
3. (of sound) recorded through two separate microphones and transmitted through two separate channels to produce a stereophonic effect.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.