parallelogram, rectangle, equilateral triangle, convex, rhombus, ellipse, curvature, semicircles, hexagon, rhomboid, conic, isosceles, diagonal, pentagons, tetrahedrons, concave, isosceles triangle, ogee, trapezium, strakes, dodecahedron, hosel, plumb bob, geometry, dihedral, radiator grille, lamella, polyhedra, protrusion, swage, concavity, bezel, bevels, cuboid, triangles, horseshoe, longways, ellipsoid, crosshatch, octagons, hexagram, gnomon, corrugation, bullnose, chamfer, spandrels, splines, valance, aerofoil, cartouche, lateral epicondyle, clove hitch, pentaprism, triangular prism, nosepiece, cloverleaf, obturator, ulnar, roofline, frustum, quadrilateral, oculi, backplate, pebbling, pilaster, hypotenuse, fingerlike, moldboard, endplate, radiuses, radiolucent, flexures, swayback, overhand knot, corbel, waviness, diffusor, cusps, tubercle, thumbwheel, width, contour, crosse, serrations, quoins, serifs, caudal fin, cruciform, convex lens, rev counter, squiggle, lunate, synclinal, hex nut, pythagorean theorem, oval, circumference, scrollwork, helixes, crenellations, plastron, keyways, triangle, rectangles, fin, cone, triangular, square, circle, lozenge, tetrahedron, ovals, semicircle, parallelograms, patch, navicular, quadrate, acromial, scaphoid, scapular, coccygeal, funicular, ischial, pubic, sacral, arcuate, articular, clavicular, fibular, hyoid, odontoid, spinous

trapezoidal

carpal, carpal bone, quadrangle, quadrilateral, tetragon, wrist bone

os trapezoideum, trapezoid bone