'Cortical' definitions:

Definition of 'cortical'

From: WordNet
adjective
Of or relating to a cortex

Definition of 'Cortical'

From: GCIDE
  • Cortical \Cor"ti*cal\ (k?r"t?-kal), a. [L. cortex bark: cf. F. cortical.] Belonging to, or consisting of, bark or rind; resembling bark or rind; external; outer; superficial; as, the cortical substance of the kidney. [1913 Webster] Corticate