A concave shape whose distinguishing characteristic is that the concavity faces downward.

Roget 206: height, altitude, elevation; eminence, pitch; loftiness etc. adj.; sublimity.    tallness etc. adj.; stature, procerity^†; prominence etc. 250.    colossus etc. (size) 192; giant, grenadier, giraffe, camelopard.    mount, mountain; hill alto, butte [U.S.], monticle^†, fell, knap^†; cape; headland, foreland^†; promontory; ridge, hog's back, dune; rising ground, vantage ground; down; moor, moorland; Alp; uplands, highlands; heights etc. (summit) 210; knob, loma^†, pena [U.S.], picacho^†, tump^†; knoll, hummock, hillock, barrow, mound, mole; steeps, bluff, cliff, craig^†, tor^†, peak, pike, clough^†; escarpment, edge, ledge, brae; dizzy height.    tower, pillar, column, obelisk, monument, steeple, spire, minaret, campanile, turret, dome, cupola; skyscraper.    pole, pikestaff, maypole, flagstaff; top mast, topgallant mast.    ceiling etc. (covering) 223.    high water; high tide, flood tide, spring tide.    altimetry etc. (angel) 244^†; batophobia^†.    satellite, spy-in-the-sky.    ... show more

Roget 250: convexity, prominence, projection, swelling, gibbosity^†, bilge, bulge, protuberance, protrusion; camber, cahot [U.S.].    thank-ye-ma'am [U.S.].    swell.    intumescence; tumour [Brit.], tumor; tubercle, tuberosity [Anat.]; excrescence; hump, hunch, bunch.    boss, embossment, hub, hubble; [convex body parts] tooth [U.S.], knob, elbow, process, apophysis^†, condyle, bulb, node, nodule, nodosity^†, tongue, dorsum, bump, clump; sugar loaf etc. (sharpness) 253; bow; mamelon^†; molar; belly, corporation^†, pot belly, gut [Coll.]; withers, back, shoulder, lip, flange.    [convexities on skin] pimple, zit [Slang]; wen, wheel, papula [Med.], pustule, pock, proud flesh, growth, sarcoma, caruncle^†, corn, wart, pappiloma, furuncle, polypus^†, fungus, fungosity^†, exostosis^†, bleb, blister, blain^†; boil etc. (disease) 655; airbubble^†, blob, papule, verruca.    [convex body parts on chest] papilla, nipple, teat, tit [Vulg.], titty [Vulg.], boob [Vulg.], knocker [Vulg.], pap, breast, dug, mammilla^†.    [prominent convexity on the face] proboscis, nose, neb, beak, snout, nozzle, schnoz [Coll.].    peg, button, stud, ridge, rib, jutty, trunnion, snag.    cupola, dome, arch, balcony, eaves; pilaster.    relief, relievo [It], cameo; bassorilievo^†, mezzorilevo^†, altorivievo; low relief, bas relief [Fr.], high relief.    hill etc. (height) 206; cape, promontory, mull; forehead, foreland^†; point of land, mole, jetty, hummock, ledge, spur; naze^†, ness.    ... show more

Dutch: koepel

Informal terms for a human head.

synonyms: attic, bean, bonce, noggin, noodle.

Dutch: bekertje, vingerhoed, druppelglas, glaasje
Polish: dynia, globus, arbuz

A stadium that has a roof.

synonyms: covered stadium, domed stadium.

A hemispherical roof.

Polish: kopuła