locket

[ lok-it ]

/ ˈlɒk ɪt /

a small case for a miniature portrait, a lock of hair, or other keepsake, usually worn on a necklace.

the uppermost mount of a scabbard.

Origin of locket

1325–75; Middle English lokat cross-bar in a framework < Anglo-French loquet, diminutive of loc latch < Middle English. See lock¹, -et

When he left to join the Spanish-American War, Katie kept a picture of him on a locket around her neck.

Those Kansas City Blues: A Family History |Katie Baker |October 24, 2014 |DAILY BEAST
Clara had a nightmare, and came near choking to death on Mr. Brewer's plaster—the locket, you know.

Seeing France with Uncle John |Anne Warner
"Such a trinket as this," said Clara, showing a locket which hung from her neck.

Tales And Novels, Volume 1 (of 10) |Maria Edgeworth
He folded the paper again and laid it in the locket, and handed that to Jethro.

Coniston, Complete |Winston Churchill

Willa pressed the locket convulsively to her breast in the first overwhelming tide of possession which had ever swept over her.

The Fifth Ace |Douglas Grant
Mr. Locket shot his young friend another sharp glance, a silent retort to the glibness of this information.

The Real Thing and Other Tales |Henry James

locket

/ (ˈlɒkɪt) /

a small ornamental case, usually on a necklace or chain, that holds a picture, keepsake, etc

C17: from French loquet latch, diminutive of loc lock 1