Definition

A type of plug or stopper used to seal the end of a gun barrel or other similar openings to prevent dirt and moisture from entering.

Example

The soldier carefully inserted the tompion into the barrel of his rifle to keep it clean during the rain.

Conversation

Have you ever heard of a tompion?

No, what is that?

It's a type of plug used in boats to keep water out.

Oh, that sounds useful! I'll have to remember that.

Synonyms & Antonyms

Root Explanation

The word 'tompion' originates from Old French 'tompion', meaning a plug or stopper. It refers specifically to a device used to close the muzzle of a cannon or other firearm to prevent dirt and moisture from entering.

Memory Tip

Think of a 'plug' or 'stopper' that keeps things clean and dry — that's what a tompion does for a cannon.

Visually Confused Words