We have broken out of the shells your kind made for us.

This whole building was only a tiny shell made of sticks.

The exterior shell was made to look as though it had stood for a hundred years.

But the shells could never be made larger or more permanent, at least not by using the technology Aura had given them.

A pie is a baked food, with a shell usually made of pastry.

Only the biggest shell that was ever made bursting near us.

The first composite shells were made from a form of papier-mâché and became popular in the 1870s.

Early musical instruments were made from "found objects" such a shells and plant parts.

Crustaceans are animals with hard shells made from many pieces for protection.

There was also a shell made of a composite called "Phenolic."