Bible Dictionaries
Bipyramidal

Webster's Dictionary

(a.) Consisting of two pyramids placed base to base; having a pyramid at each of the extremities of a prism, as in quartz crystals.

Bibliography Information
Webster, Noah. Entry for 'Bipyramidal'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​b/bipyramidal.html. 1828.