trapezoids Definition

os trapezoideum, trapezoid bone, semicircles, parallelograms, octagons, rectangles, conic, checkerboards, polyhedrons, triangles, crenellations, equilateral triangle, pentagons, featherlike, ringlet, rhombus, protrusions, rhomboids, sylphs, lattices, dodecahedron, isosceles triangle, splines, spandrels, sepals, keyholes, convex, quoins, tetrahedrons, chitons, cuboid, tracery, palps, hexagons, circlet, octahedron, isosceles, umbels, protuberances, cherubim, diffraction grating, triangular prism, chamfers, scrollwork, crescents, whorls, concave, flowerlike, haloes, lamellae, cabochon, paillettes, ogee, brilliants, spiderwebs, eyepieces, pebbling, axils, pelmet, briolette, crosshatching, hyperbolic geometry, openwork, oculi, mullions, nosepiece, plastron, batwing, tuille, stanchions, chevrons, bevels, midrib, pale violet, armillary sphere, insets, forewings, sawtooth, strawflower, reindeer moss, cones, gnomon, dihedral, eyelets, darning needle, stamens, furbelows, aerofoil, promontories, diagonals, serrations, swordlike, fantails, passementerie, concavity, stockinette, lurex, flecking, danglers, icosahedral,