Meaning & use
Caulk
Last updated
To seal joints, seams, or cracks, typically around windows, pipes, or boat hulls, with a waterproof filler.
See it in a sentence
He caulked around the bathtub to stop water from seeping into the wall.
The crew caulked the hull's seams before the ship's maiden voyage.
A note on using this word
Caulking dates back to ancient shipbuilding, where sailors packed tarred fibers between hull planks to keep vessels watertight.
Words with a similar meaning
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Another way to use it
2. noun
A waterproof filler substance used to seal cracks or joints.
She bought a tube of silicone caulk at the hardware store.
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