Postcommissure
Pronunciation : Post*com"mis*sure
Part of Speech : n.
Etymology : [Pref. post- + commisure.] (Anat.)
Definition : Defn: A transverse commisure in the posterior part of the roof of the third ventricle of the brain; the posterior cerebral commisure. B. G. Wilder.
Source : Webster's Unabridged Dictionary, 1913