Source : Webster's Revised Unabridged Dictionary (1913)

Angulate \An"gu*late\, Angulated \An"gu*la`ted\, a. [L.
   angulatus, p. p. of angulare to make angular.]
   Having angles or corners; angled; as, angulate leaves.

Angulate \An"gu*late\, v. t.
   To make angular.

Source : WordNet®

angulate
     adj 1: having angles or an angular shape [syn: {angular}] [ant: {rounded}]
     2: having sharp angles
     v : make or become angular