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kind of ornament that hangs around the neck, from French lavallière, a kind of tie, after Louise Françoise de La Baume Le Blanc de La Vallière, Duchesse de La Vallière (1644-1710), mistress of Louis XIV from 1661-1667.
ornament hung from a chain worn around the neck. The lavaliere, which came into fashion in the 17th century, was usually a small, jewelled gold locket, though it could also be an enamelled locket or pendant