D defs.my
Entry 2 senses Webster, 1913

Locket

/läk'-ĭt/ · Lock·et · IPA /ˈlɑkɪt/
01 n. A small lock; a catch or spring to fasten a necklace or other ornament.
  1. 1.
    A small lock; a catch or spring to fasten a necklace or other ornament.
  2. 2.
    A little case for holding a miniature picture or lock of hair, usually suspended from a necklace or watch chain.