Cortical
Pronunciation : Cor"ti*cal (kr"t-kal)
Part of Speech : a.
Etymology : [L. cortex bark: cf. F. cortical.]
Definition : Defn: Belonging to, or consisting of, bark or rind; resembling bark or rind; external; outer; superficial; as, the cortical substance of the kidney.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder