lesion

play
noun le·sion \ˈlē-zhən\

Definition of lesion

  1. 1 :  injury, harm

  2. 2 :  an abnormal change in structure of an organ or part due to injury or disease; especially :  one that is circumscribed and well defined

lesioned

play \-zhənd\ adjective

Origin and Etymology of lesion

Middle English, from Anglo-French, from Latin laesion-, laesio, from laedere to injure


First Known Use: 15th century


LESION Defined for English Language Learners

lesion

play
noun le·sion \ˈlē-zhən\

Definition of lesion for English Language Learners

  • medical : an injured or diseased spot or area on or in the body


LESION Defined for Kids

lesion

play
noun le·sion \ˈlē-zhən\

Definition of lesion for Students

  1. :  an abnormal spot or area of the body caused by sickness or injury


Medical Dictionary

1

lesion

play
noun le·sion \ˈlē-zhən\

Medical Definition of lesion

  1. :  an abnormal change in structure of an organ or part due to injury or disease; especially :  one that is circumscribed and well defined

lesioned

\-zhənd\play adjective

2

lesion

transitive verb le·sion

Medical Definition of lesion

  1. :  to produce lesions in (as an animal's brain)


Law Dictionary

lesion

play
noun le·sion \ˈlē-zhən\

Legal Definition of lesion

  1. :  loss from failure to receive a threshold amount or value (as one-half market value) for immovable property conveyed or transferred by a commutative contract (as a sale or exchange) —called also lesion beyond moiety — compare unjust enrichment

Origin and Etymology of lesion

Anglo-French, damage, injury, from Latin laesio, from laedere to injure



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