Cortex
Pronunciation : Cor"tex (kr"tks)
Part of Speech : n.;
Etymology : [L., bark. Cf. Cork.]
Definition : 1. Bark, as of a tree; hence, an outer covering.
2. (Med.)
Defn: Bark; rind; specifically, cinchona bark.
3. (Anat.)
Defn: The outer or superficial part of an organ; as, the cortex or gray exterior substance of the brain.
pl. Cortices (-t.
Source : Webster's Unabridged Dictionary, 1913