From Longman Dictionary of Contemporary Englishpendantpen‧dant /ˈpendənt/ noun [countable] DCJa jewel, stone etc that hangs from a thin chain that you wear around your neck → necklace a ruby pendant
Examples from the Corpus
pendant• A pendant fitting for use above a dining table should have a deep shade or one that is designed to avoid glare.• These lights should be independently switched from any pendant lights for maximum flexibility.• a diamond pendant• Yes, there was something in there and I bet myself it would be Jo's emerald pendant.• From time to time, she fingered the heart pendant and religious medallion that now hang around her neck.• She was wearing a short lilac dress and a pale cashmere jacket, beneath which the jet pendant glimmered in inky symbolism.• Silver shell pendant, £8.99, Oasis.• The jewellery pictured includes a silver pocket watch, a pearl brooch, a silver pendant and several tie or stick pins.• Superimposed on this group size factor are the effects of polarity and the intrinsic flexibility of the pendant group itself.Origin pendant (1300-1400) French present participle of pendre “to hang”, from Latin pendere