a small ornamental case, typically made of gold or silver, worn round a person's neck on a chain and used to hold things of sentimental value, such as a photograph or lock of hair 纪念品盒(珍藏相片和头发,可挂在颈上做装饰的小盒,通常用金银制成)
a metal plate or band on a scabbard 剑鞘上的金属板(或镶圈)
语源
late Middle English (in sense 2): from Old French locquet, diminutive of loc 'latch, lock', of Germanic origin; related to lock. Sense 1 dates from the late 17th cent