a. Also 7–8 æqui-. [f. L. æquicrūr-us (see next) + -AL; cf. Fr. équicrural.] Of a triangle: Having legs of equal length; isosceles. Of a cross: Having equal arms.
1650. Sir T. Browne, Pseud. Ep. (ed. 2), V. xxii. 232–3. Draw lines from angle to angle, untill seven equicrurall triangles be described.
1656–81. in Blount, Glossogr.
1762. Hamilton, in Phil. Trans., LIII. 119. Let the æquicrural triangle A, B, C, represent a wedge.
1843. Fraser’s Mag., XXVII. 716. Pieces of masonry, in the form of an equicrural cross.
