Lē'sion, n.

(lē'zhun), n. [Lat. læsio, from lædere, læsum, to hurt, injure; Fr. lésion, Pr. lesio, Sp. lesion, It. lesione.] A hurt; an injury; specifically, (a.) (Law.) Loss sustained from failure to fulfill a bargain or contract. Burrill. (b.) (Med.) Any morbid change in the exercise of functions or the texture of organs. Dunglison.

Lesion of nutrition, imperfection of nutrition.