Webster’s Revised Unabridged Dictionary · 1913
Trapezoidal
Trap′e·zoid′al (·zoid′al), a. [Cf. F. trapézoïdal.]
1. Having the form of a trapezoid; trapezoid.
2. (Min.) Trapezohedral.
Webster’s Revised Unabridged Dictionary · 1913
Trap′e·zoid′al (·zoid′al), a. [Cf. F. trapézoïdal.]
1. Having the form of a trapezoid; trapezoid.
2. (Min.) Trapezohedral.