THESAURUS
great circle
anklet, aphelion, apogee, armlet, astronomical longitude, autumnal equinox, band, belt, bracelet, celestial equator, celestial longitude, celestial meridian, cincture, cingulum, circle, collar, collarband, colures, earring, ecliptic, equator, equinoctial, equinoctial circle, equinoctial colure, equinox, fascia, fillet, finger ring, galactic longitude, geocentric longitude, geodetic longitude, girdle, girt, girth, heliocentric longitude, hoop, longitude, meridian, neckband, necklace, nose ring, orbit, perigee, perihelion, period, quoit, ring, small circle, solstitial colure, trajectory, vernal equinox, wristband, wristlet, zodiac, zone