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.