Le"sion (?), n. [F. lesion, L. laesio, fr. laedere, laesum, to hurt, injure.]
A hurt; an injury.
Specifically: (a) CivilLaw
Loss sustained from failure to fulfill a bargain or contract
. (b) Med.
Any morbid change in the exercise of functions or the texture of organs.
© Webster 1913.