jewel box
Concise Oxford English Dictionary © 2008 Oxford University Press:
jewel box
▶noun
- 1 a bivalve mollusc which has a robust shell with a rough or spiny surface. [Family
Chamidae : Chama and other genera.]
- 2 (also jewel case) a storage box for a compact disc.
'jewel box' also found in these Oxford entries:

