v. Obs. rare–0. [f. L. cacūminā-re to make pointed, f. cacūmen: see CACUMINOUS.] ‘To make sharp or pyramidal’ (J.).
1656. Blount, Glossogr., Cacuminate, to make sharp or copped.
1678. Phillips, Cacuminate, to form into a sharp top like a pyramid.
1721–90. Bailey (as in Blount).
