DictionarylocketKeepsake pendant
noun

locket

LAH-kit/ˈlɑːkɪt/

A small pendant that opens to hold a picture or keepsake.

The open gold locket holds a small pressed flower inside.

An open oval gold locket on a fine chain, with its hinge and clasp clearly visible and a small pressed flower held inside one recessed half.
Etymology

The pieces mean “little lock or latch.” The word first named a fastening, then came to name a small ornamental case with a hinged cover for a portrait or keepsake.

In context

Lazy Historian120:17
She wanted, she explained to Mrs. Fen, a locket mounted with his hair, and she had brought the hair, the paper packet. She opened it on the counter, and there was the hair, a small curl of dark hair
Inside the Dirty Secret of 1800s Funeral Clothing | History for Sleep

More examples

  • He keeps a lock of his daughter's hair inside the locket.
  • The silver locket hangs from a delicate chain.
  • These lockets hold two small photographs each.

Forms

locket · lockets

Similar words

pendant
Any hanging ornament; it need not open or hold keepsakes.
medallion
Usually a solid decorative disk rather than a hinged container.