名詞 casket:

1. box in which a corpse is buried or cremated
   同義詞：coffin
2. small and often ornate box for holding jewels or other valuables
   同義詞：jewel casket

動詞 casket:

1. enclose in a casket

1. The pretty casket is given to her by her former boyfriend.
   這個漂后的首飾盒是她以前的男朋友送給她的。
2. A casket with jewels was stolen yesterday.
   一個帶珠寶的首飾盒昨天被偷了。
3. She has two beautiful caskets.
   她有兩個漂亮的首飾盒。

cas.ket

n.（名詞）
A small case or chest, as for jewels and other valuables.
珠寶箱：存放珠寶和其它貴重物品的小盒或箱
A coffin.
棺材
v.tr.（及物動詞）
cas.ket.ed,cas.ket.ing,cas.kets
To enclose in a case, chest, or coffin.
裝在盒子、箱子或棺材里

來源：
Middle English
中古英語
possibly alteration of Old French cassette * see cassette
可能為 古法語 cassette的變化 *參見 cassette