parallelogram Definition

equiangular, equilateral triangle, isosceles triangle, rhombus, trapezoid, rectangle, tetrahedron, isosceles, dodecahedron, polyhedron, hexagon, conic, convex, triangular prism, octahedron, pilaster, semicircles, ogee, crenellations, lamella, gable roof, ellipsoid, cruciform, newel post, radiator grille, bevels, corbel, regular polygon, hipped roof, crosspieces, mullions, antiparallelogram, cantilevering, gnomon, transept, swage, valance, cuboid, peapod, ellipse, concave, sawtooth, binnacle, oculus, quoins, hexagram, aerofoil, tonneau, foglamp, serifs, corrugation, apse, sheave, roofline, diffusor, tesserae, gothic arch, grillwork, crossbeams, pintle, trapezium, baluster, lunette, tracery, tympanum, dihedral, right triangle, mansard, arches, openwork, spandrels, louvres, casement window, jamb, featherlike, nosepiece, bullnose, torsion bar, concavity, strakes, octagons, bedplate, stipple, synclinal, splines, geometry, reredos, pawl, trunnion, plumb bob, protrusion, keyways, casement, rhomboids, curvature, fanlight, commissure, toroid, chamfer, diagonals,