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Definition of cortex noun from the Oxford Advanced Learner's Dictionary

cortex

noun
 
/ˈkɔːteks/
 
/ˈkɔːrteks/
(plural cortices
 
/ˈkɔːtɪsiːz/
 
/ˈkɔːrtɪsiːz/
)
(anatomy)
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  1. the outer layer of an organ in the body, especially the brain
    • the cerebral/renal cortex (= around the brain/ kidney)
    Topics Bodyc2
    Word Originlate Middle English: from Latin, literally ‘bark’.
See cortex in the Oxford Advanced American DictionarySee cortex in the Oxford Learner's Dictionary of Academic English
previously
adverb
 
 
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