Medical Definition of Sore
Sore: 1. (adjective) A popular term for painful, such as a sore throat. 2. (noun) A nondescript term for nearly any lesion of the skin or mucous membranes. He has a number of sores in his mouth.
The word sore traces its origin to the Anglo-Saxon term sar which meant distressing, grievous, painful.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/9/2016