[ lat-uh-ral-i-tee ]
/ ˌlæt əˈræl ɪ ti /


the use of one hand in preference to the other.Compare handedness.
the dominance or superior development of one side of the body or brain.

Origin of laterality

First recorded in 1640–50; lateral + -ity Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for laterality

British Dictionary definitions for laterality


/ (ˌlætəˈrælɪtɪ) /


psychol the difference in the mental functions controlled by the left and right cerebral hemispheres of the brain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for laterality


[ lăt′ə-rălĭ-tē ]


Preferential use of limbs of one side of the body.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.