n.
Pronunciation: ˌ la-t ə -r ə -l ə - ' z ā -sh ə n, ˌ la-tr ə -
Function: noun
Date: circa 1899
: localization of function or activity on one side of the body in preference to the other
– lat · er · al · ize \ ' la-t ə -r ə - ˌ l ī z, ' la-tr ə - \ transitive verb