Definition

A material used to fill gaps and seal joints, often to prevent water or air from leaking.

Example

The contractor applied caulking around the windows to keep the house energy efficient.

Conversation

Have you ever used caulking for your home projects?

Yes, I did! It really helps to seal gaps.

I need to get some caulking for my bathroom sink.

That’s a good idea; it can prevent leaks.

Synonyms & Antonyms

Root Explanation

Caulking originates from the Old French word 'calfater', meaning to stop a leak or to seal. The term refers to the process of sealing joints or seams in various structures to prevent water or air from entering or escaping.

Memory Tip

Think of sealing something to stop leaks — that's what caulking does, derived from the Old French word for sealing.

Visually Confused Words