Definition of "semicircular canal" []

• Any of three tubular and looped structures of the inner ear, together functioning in maintenance of the sense of balance in the body. (noun)

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.