Definition of "monaural" [mon•au•ral]

• Of, relating to, or designating sound reception by one ear. (adjective)
• Electronics Monophonic. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Binaural beats and other similar technologies such as monaural beats or isochronic tones are usually combined with other sounds to create a very pleasant listening experience."
• "Since then, sound recording has progressed from monaural remember "mono" records?"
• "Red chair and old monaural record album (25 cents) are garage sale finds."