**E`qui*an"gu*lar** (?), a. [*Equi-* + *angular*. Cf. Equangular.]

Having equal angles; as, an **equiangular** figure; a square is **equiangular**.

Equiangular spiral. Math. See under Spiral, n. -- Mutually equiangular, applied to two figures, when every angle of the one has its equal among the angles of the other.

© Webster 1913.