贝壳

貝殼
bèiké
shell (of a mollusk)

CEDICT

Entry Composition

1 贝 bèi
  1. cowrie
  2. shellfish
  3. currency (archaic)
2 壳 ké
  1. (coll.) shell (of an egg, nut, crab etc)
  2. case; casing; housing (of a machine or device)