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
They had several commercial uses, including in transformers and capacitors, oil used in motors and hydraulic systems, cable insulation, oil-based paint, caulking and plastics.
From Los Angeles Times ● Sep. 25, 2024
Another errand took him to Ruck’s Creek, called “Knocker’s Hole,” because all day you could hear the thump, thump, thump of the caulker’s mallets, caulking the seams of ships.
From "Carry On, Mr. Bowditch" by Jean Lee Latham
