variants
or calk
caulked or calked; caulking or calking; caulks or calks
: to stop up and make tight against leakage (something, such as a boat or its seams, the cracks in a window frame, or the joints of a pipe)
caulker
noun
: material used to caulk
variant spelling of calk entry 2, calk entry 3
: a cleat on the shoe of a horse to prevent slipping
also
: a similar device worn on the sole of a shoe
Examples of caulk in a Sentence
Verb
He carefully caulked the area around the windows.
Recent Examples on the Web
Lori Weisberg, San Diego Union-Tribune, 10 July 2025
Look for signs of DIY work — sloppy paint jobs, misaligned tiles, uneven cabinet installation, missing GFCI outlets, or my pet peeve: poorly done caulking.
—Dana Bull, CNBC, 9 June 2025
Ashlyn Needham, Southern Living, 21 June 2025
There’s also an advanced silicone caulk with a 10-year guarantee.
—Christopher Murray, Fox News, 22 Feb. 2025
See All Example Sentences for caulk
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Verb
Among the noise mitigation measures San Diego’s program provides for free are retrofitted exterior doors and windows, installation of a ventilation system, and more modest measures like placing weather stripping and caulking around openings.
—Lori Weisberg, San Diego Union-Tribune, 10 July 2025
Look for signs of DIY work — sloppy paint jobs, misaligned tiles, uneven cabinet installation, missing GFCI outlets, or my pet peeve: poorly done caulking.
—Dana Bull, CNBC, 9 June 2025
Noun
Sealing gaps or cracks with caulk prevents the hot air from coming in, but Wilkins says sometimes the main source of heat comes from old, leaky windows.
—Ashlyn Needham, Southern Living, 21 June 2025
There’s also an advanced silicone caulk with a 10-year guarantee.
—Christopher Murray, Fox News, 22 Feb. 2025
See All Example Sentences for caulk
Cite this Entry
“Caulk.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/caulk. Accessed 29 Jul. 2025.
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