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.

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
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
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