caulk
verb (used with object)
to fill or close seams or crevices of (a tank, window, etc.) in order to make watertight, airtight, etc.
caulking
-
present participleof caulk.present participle
A verb form that is used in progressive verb constructions and may also function as a modifier or a gerund.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Seal up air leaks: Inexpensive weatherstripping and caulking around leaky doors and windows stop hot air from seeping in and forcing your AC to run longer.
From MarketWatch ● Jun. 29, 2026
One of the most striking discoveries was a partial human fingerprint preserved in the caulking.
From Science Daily ● Feb. 16, 2026
Fill the body with a firm, buttery dough—like the decadent chocolate one in our recipe below—and pump the handle like a caulking gun until your baking sheets are festooned with festive flowers, stars and more.
From The Wall Street Journal ● Dec. 5, 2025
Forget about caulking air leaks, adding more insulation, etc. in periods of frigid weather.
From Seattle Times ● Feb. 20, 2023
If you do it right, the caulking iron makes a ringing noise as the mallet strikes.
From "The Young Man and the Sea" by Rodman Philbrick
