among the Romans, signified their knights, or equites; as also their troopers, or horsemen in the field: the first of which orders stood in contradiction to the senators; as the last did to the foot, military, or infantry. Each of these distinctions was introduced into the state by Romulus.

EQUANGULAR, in geometry, an epithet given to figures whose angles are all equal: such are a square, an equilateral triangle, &c.