equilateral : Idioms & Phrases
Equilateral hyperbola
(Geom.) , one whose axes are equal.
Webster 1913
Equilateral shell
(Zoöl.) , one in which a transverse line drawn through the apex of the umbo bisects the valve, or divides it into two equal and symmetrical parts.
Webster 1913
equilateral triangle
-
noun a three-sided regular polygon
equiangular triangle.
WordNet
Mutually equilateral
- applied to two figures, when every side of the one has its equal among the sides of the other.