She packed a hard-shell jacket for the mountain trek.

The researchers modeled the acoustic modes of a half shell to study how vibrations propagate across curved surfaces.

We found a half shell diner on the edge of town that served hearty breakfasts for next to nothing.

She collected colorful clam half shells to create a mosaic for the community center.

The factory adopted shell moulding to produce the small, high-precision metal components required for its instruments.

The conservationist gently removed a dead-in-shell chick from the nest to study what had gone wrong.

The beachcomber collected several ear-shells that glittered in the morning sun.

Older field guides often list the animal under the ear-shell spelling.

At the market, I bought a fresh ear shell to grill for dinner.

She collected several ear shells from the beach to study their spiral patterns.