'Praecommissure' definitions:

Definition of 'Praecommissure'

From: GCIDE

Praecommissure \Pr[ae]*com"mis*sure\, n. [Pref. pr[ae] + commissure.] (Anat.) A transverse commissure in the anterior part of the third ventricle of the brain; the anterior cerebral commissure. [1913 Webster]