cortex

About 11.84 uses per million words.

Meaning

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

Similar words

cerebral cortex pallium cerebral mantle cortical brain peel rind crust bark birchbark

Often followed by

and of is in to are or that with

Word family

cortexes cortices