(slang, Britain, Australia, especially in set phrases) The ear.

any of the marine mollusks of the class Scaphopoda, which look similar to elephant tusks.

(zoology) carrier shell (family Xenophoridae)

Any marine snail of the family Xenophoridae, which cements stones and shell fragments to its own shell.

A long, thin-shelled bivalve, Zenatia acinaces

plural of pansy shell

(South Africa) sand dollar

plural of camper shell

A small housing or rigid canopy mounted on the rear bed of a pickup truck, originally for camping but now often for utility and storage purposes.

plural of worm-shell