名詞 locket:

1. a small ornamental case; usually contains a picture or a lock of hair and is worn on a necklace

lock.et

n.（名詞）
A small ornamental case for a picture or keepsake, usually worn as a pendant.
小金盒：用于存放照片或紀念品的裝飾性小盒，常當作掛件佩戴

來源：
Middle English loket [crossbar]
中古英語 loket [橫閂]
from Old French loquet [latch] [diminutive of] loc [lock]
源自 古法語 loquet [門閂] [] loc的小后綴 [鎖]
[of Germanic origin]
[源于日耳曼語的]