binaural system

15 LETTERS · STARTS WITH B

binaural system is a valid 15-letter word worth 21 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

B3I1N1A1U1R1A1L1S1Y4S1T1E1M3

3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 4 + 1 + 1 + 1 + 3 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does binaural system mean?