‖ præˈcornuAnat. [mod.L. f. præ- + cornu horn.] Wilder's name for the anterior horn of the lateral ventricle of the cerebellum. 1882Wilder & Gage Anat.Techn. 456 Cephalad of the fornix is a marked elevation, the striatum; that part of the procœlia into which it projects is the præcornu.