tympanum Definition

tympani, kettledrum, tympanic membrane, timpani, eardrum, kettle, middle ear, tympanic cavity, transept, gothic arch, pilaster, entablature, lintel, oculus, caryatids, quoins, flowerlike, fanlight, reredos, tracery, crenellations, apse, cruciform, semicircles, acanthus, circlet, stalactite, quatrefoil, vitrine, ashlar, ogee, newel post, whorl, sepulchers, oriel, isosceles, octagons, corbel, spandrels, verdigris, cavelike, campanile, rood screen, polyhedron, pediments, gambrel roof, serifs, chambered nautilus, romanesque, tesserae, lunette, masaccio, fauteuil, armillary, bentwood, palps, forewings, seraglio, velum, mullions, zithers, dentil, fritillary, pinna, naves, downy woodpecker, hieroglyph, gable roof, uvula, piero della francesca, stipple, conic, stonelike, concavity, grillwork, dapples, snaggletooth, bedframe, kettledrums, filigrees, polychrome, bass clef, protuberances, rhombus, arches, snuffbox, peapod, cartouche, bodkin, ankh, armature, occiput, wainscot, tragus, hexagram, porticoes, mihrab, fresnel lens, apatosaurus, armillary sphere,