An abnormal relation of one or more teeth of one arch to the opposing tooth or teeth of the other arch, caused by deviation of tooth position or abnormal jaw position.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for crossbite
Historical Examples of crossbite
If your Grace can take the first word, and throw out a hint to crossbite Saville, it will be well.Peveril of the Peak
Sir Walter Scott