asterism, equilateral triangle, hilal, rectangle, corona borealis, isosceles triangle, ellipse, circlet, hexagram, celestial equator, mihrab, hexagon, constellation, ecliptic, nebulosity, astrolabe, emblem, prime meridian, celestial sphere, galactic equator, gnomon, epsilon aurigae, silhouette, cartouche, semicircles, omega centauri, roundel, zodiacal light, parallelogram, triangle, cepheus, triangulum, shawwal, promontories, dot, halo, spiral galaxy, squiggle, rhombus, nebula, tarantula nebula, rhomboid, horsehead nebula, pentacle, eclipsing binary, kufic, whorls, prow, pleiades, octagons, quatrefoil, crenellations, sidereal, sunray, ribbonlike, prominences, pentagram, crosshatch, syrtis major, ringlet, tesserae, solstices, deneb, cassiopeia, monoceros, spire, chevrons, meridian, canis minor, betelgeuse, arches, kaaba, swastika, numeral, oculi, minaret, aureole, logo, capricornus, caduceus, ogee, earthshine, cruciform, spiers, umbra, little dipper, armillary, monotheism, magen david, orb, skyline, trefoil, fezzan, camelopardalis, curvature, trifid, zagros mountains, conic, serifs, big dipper, ophiuchus, cabochon, crescents, oval, patch, swath, horseshoe, semicircle, streamers, bay, cloud, cocoon, crater, globe, hull, puddle, sliver, square, cape, dome, crescentshaped, crescentic, lis, shrouded, motionless, serpentine, unmoving, angled, indented, slanted, curving, ridged, rounded, shaped, sunburst, contoured, curvy, lanceolate, lobed

., actias luna, almond cookie, almond crescent, banana, crescent-cell anaemia, crescent-cell anemia, crescent roll, croissant, drepanocytic anaemia, drepanocytic anemia, galley, half-moon, luna moth, lunula, lunule, moonseed, new moon, new phase of the moon, oxbow lake, sickle-cell anaemia, sickle-cell anemia, sickle-cell disease, sickle cell

curve, curved shape

bicephalous, crescent-shaped, horned, lunate, semilunar