cortex

From Latin cortex (“cork, bark”).

• (General American) IPA^(key): /ˈkɔɹtɛks/
• (Received Pronunciation) IPA^(key): /ˈkɔːtɛks/

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cortex (countable and uncountable, plural cortexes or cortices)

1. (countable, anatomy) The outer layer of an internal organ or body structure, such as the kidney or the brain.
2. (uncountable, botany) The tissue of a stem or root that lies inward from the epidermis, but exterior to the vascular tissue.
3. (archaeology) The outer surface of a piece of flint.

(outer layer of an animalian organ or body structure):

(botany):

• bark
• cork

• “cortex”, in OneLook Dictionary Search.

cortex m (uncountable)

1. cortex

• cortex préfrontal

• “cortex”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

From Proto-Indo-European *(s)kort-ek-s, from Proto-Indo-European *(s)kert-, extended from *(s)ker- (“to cut”).

Cognate with Ancient Greek κείρω (keírō, “I cut off”), English shear, German scheren, Albanian harr (“to cut, to mow”), Lithuanian skìrti (“separate”), Welsh ysgar (“separate”), Old Armenian քերեմ (kʻerem, “to scrape, scratch”).

• (Classical) IPA^(key): /ˈkor.teks/, [ˈkɔrt̪ɛks̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈkor.teks/, [ˈkɔrt̪eks]

cortex m or f (genitive corticis); third declension

1. The bark of a tree; the bark of a cork tree; cork.
2. The shell or outward part or covering of anything else; body.
3. Life preserver (made of bark)
   • nāre sine cortice

     to need no more assistance

     (literally, “to swim without life preserver”)

     (proverb)

Third-declension noun.

• “cortex”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “cortex”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• cortex in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• cortex in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• “cortex”, in Harry Thurston Peck, editor (1898), Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers

Borrowed from French cortex, Latin cortex.

cortex n (plural cortexuri)

1. cortex