a nautilus

an aquatic shellfish (generally limited to mollusks with calcareous shells such as clams or snails, and excluding crustaceans such as shrimp or crabs)

a cockatoo (bird)

beautiful

(archaic) beautiful

shape, form, style

Babylonia japonica: the Japanese babylon or Japanese ivory shell

shell / shellfish

a shape / a form / a pattern, die, or model from which copies are made / collateral for borrowed money / on a coin, the side with writing on it

(kabuki, theater) Short for 女形 (onnagata)., a female role played by a male actor in kabuki theater