Medicommissure
Pronunciation : Med`i*com"mis*sure
Part of Speech : n.
Etymology : [L. medius middle + E. commissure.] (Anat.)
Definition : Defn: A large transverse commissure in the third ventricle of the brain; the middle or soft commissure. B. G. Wildex.
Source : Webster's Unabridged Dictionary, 1913