Yes, shell is a Scrabble word!

Verb

1. Use explosives on

2. Create by using explosives

3. Fall out of the pod or husk

4. Hit the pitches of hard and regularly

5. Look for and collect shells by the seashore

6. Come out better in a competition, race, or conflict

7. Remove from its shell or outer covering

8. Remove the husks from

Noun

1. Ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun

2. The material that forms the hard outer covering of many animals

3. Hard outer covering or case of certain organisms such as arthropods and turtles

4. The hard usually fibrous outer layer of some fruits especially nuts

5. The exterior covering of a bird's egg

6. A rigid covering that envelops an object

7. A very light narrow racing boat

8. The housing or outer covering of something

9. A metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners)

10. The hard largely calcareous covering of a mollusc or a brachiopod