semicircle Definition

hemicycle, arc, equilateral triangle, rectangle, circle, isosceles triangle, parallelogram, ellipse, diagonal, rows, archway, plane figure, prayer rug, demicircle, courtyard, downstage, hallway, lectern, alcove, crouch, quadrangle, regular polygon, conic section, doorway, beside, phalanxes, semimajor axis, right triangle, encircling, colonnade, walkway, acute triangle, interior angle, throng, conga line, mihrab, major axis, obtuse triangle, ellipsoid of revolution, octangle, proscenium, peristyle, kneels, canebrake, entryway, cumulus cloud, incentre, skylit, apse, knoll, entranceway, chessboards, front, antiparallelogram, rhombicosidodecahedron, trapezoid, lecturn, exterior angle, unison, corner, banquette, posterboard, gaggle, central angle, scalene triangle, prow, crescents, polyhedron, octagons, narthex, disphenoid, stare, polar equation, huddle, atrium, arches, easels, hug, hunkers, pew, cruciform, checkerboards, gazes, plaza, flower petal, anteroom, cluster, lily pad, extrados, parterre, arraswise, crenellations, spherical angle, binnacle, pilasters, breezeway, tacnode, trapezoid bone, set square, barricade,