a. Obs. [f. ACUTE + ANGULAR.] Having acute angles; acute-angled.
1732. Berkeley, Minute Philos., II. 93. Whence they [triangles] are denominated æquilateral, æquicrural or scalenum, obtusangular, acutangular, or rectangular.
1752. Chambers, Cycl., s.v. Triangle, If all the angles be acute the triangle is said to be acutangular, or oxygonous.
