Rhomb

Their Ideas are perpetually converſant in Lines and Figures. If they would, for example, praiſe the Beauty of a Woman, or any other Animal, they deſcribe it by Rhombs, Circles, Parallelograms, Ellipſes, and other Geometrical Terms, or by Words of Art drawn from Muſick, needleſs here to repeat.

The four-sided pyramid, perhaps the most frequent of all natural crystals, is called in architecture a dogtooth; its use is quite limitless, and always beautiful: the cube and rhomb are almost equally frequent in chequers and dentils;

A circumference on a blackboard, a rectangular triangle, a rhomb, are forms which we can fully intuit;