n.
Pronunciation: ' l ē -zh ə n
Function: noun
Etymology: Middle English, from Anglo-French, from Latin laesion-, laesio, from laedere to injure
Date: 15th century
1 : INJURY , HARM
2 : an abnormal change in structure of an organ or part due to injury or disease especially : one that is circumscribed and well defined
– le · sioned \ -zh ə nd \ adjective