A string of beads, etc., or any continuous band or chain, worn around the neck as an ornament. [1913 Webster]
A rope or chain fitted around the masthead to hold hanging blocks for jibs and stays. [1913 Webster]

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OXFORD DICTIONARY

necklace, n. & v.
--n.
1 a chain or string of beads, precious stones, links, etc., worn as an ornament round the neck.
2 S.Afr. a tyre soaked or filled with petrol, placed round a victim's neck, and set alight.
--v.tr. S.Afr. kill with a 'necklace'.

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THESAURUS

necklace

anklet, armlet, band, bangle, beads, belt, bijou, bracelet, breastpin, brooch, chain, chaplet, charm, chatelaine, cincture, cingulum, circle, collar, collarband, coronet, crown, diadem, earring, ecliptic, equator, fascia, fillet, finger ring, fob, gem, girdle, girt, girth, great circle, hoop, jewel, locket, neckband, nose ring, pin, precious stone, quoit, rhinestone, ring, stickpin, stone, tiara, torque, wampum, wristband, wristlet, zodiac, zone

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ROGET THESAURUS

necklace

Jewelry

N jewel, jewelry, jewellery, bijoutry, bijou, bijouterie, trinket, fine jewelry, costume jewelry, junk jewelry, gem, gemstone, precious stone, necklace, bracelet, anklet, earring, locket, pendant, charm bracelet, ring, pinky ring, carcanet, chain, chatelaine, broach, pin, lapel pin, torque, diamond, brilliant, rock, beryl, emerald, chalcedony, agate, heliotrope, girasol, girasole, onyx, plasma, sard, sardonyx, garnet, lapis lazuli, opal, peridot, tourmaline, chrysolite, sapphire, ruby, synthetic ruby, spinel, spinelle, balais, oriental, oriental topaz, turquois, turquoise, zircon, cubic zirconia, jacinth, hyacinth, carbuncle, amethyst, alexandrite, cat's eye, bloodstone, hematite, jasper, moonstone, sunstone, pearl, cultured pearl, fresh-water pearl, mother of pearl, coral, jeweler, gemologist, minerologist, lapidary, lapidarian, gemology, gemmology, minerology, bejeweled, diamond, (gemstones), gemological.

Circularity

N circularity, roundness, rotundity, circle, circlet, ring, areola, hoop, roundlet, annulus, annulet, bracelet, armlet, ringlet, eye, loop, wheel, cycle, orb, orbit, rundle, zone, belt, cordon, band, contrate wheel, crown wheel, hub, nave, sash, girdle, cestus, cincture, baldric, fillet, fascia, wreath, garland, crown, corona, coronet, chaplet, snood, necklace, collar, noose, lasso, lassoo, ellipse, oval, ovule, ellipsoid, cycloid, epicycloid, epicycle, semicircle, quadrant, sextant, sector, sphere, round, rounded, circular, annular, orbicular, oval, ovate, elliptic, elliptical, egg-shaped, pear-shaped, cycloidal, spherical, I watched the little circles die.

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