a feeling of nausea and dizziness, sometimes accompanied by vomiting, resulting from stimulation by motion of the semicircular canals of the ear during travel by car, plane, etc.
Origin of motion sickness
First recorded in 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the state or condition of being dizzy or nauseous from riding in a moving vehicle
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
Nausea and dizziness induced by motion, as in travel by aircraft, car, or ship.kinesia
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.