variant spelling of caulk
: 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)
variants
or caulk
: a cleat on the shoe of a horse to prevent slipping
also
: a similar device worn on the sole of a shoe
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
caulk·er
ˈkȯ-kər
variants
or calker
plural -s
Examples of calk in a Sentence
Verb (3)
He carefully caulked the area around the windows.
Recent Examples on the Web
Popular Mechanics Editors,
Popular Mechanics,
16 Feb. 2019
Mary Marlowe Leverette,
The Spruce,
28 June 2026
Seal Grout Seal and caulk any areas where shower grout is cracked or damaged to keep water from getting behind walls and baseboards.
—
Karen Brewer Grossman,
Southern Living,
22 June 2026
Emily Benda Gaylord,
The Spruce,
28 June 2026
Park Police said the incident happened on June 19—10 days after police received a report that the caulk over foam sealant at the pool was cut with a knife, according to a court filing from Wednesday.
—
Zachary Folk,
Forbes.com,
25 June 2026
See All Example Sentences for calk
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Noun
These holes are filled with square pegs of white pine and new calks driven into the wood.
—
Popular Mechanics Editors,
Popular Mechanics,
16 Feb. 2019
Verb
Grout and Caulking Mildew spores seem to find their way onto grout and caulking in the shower.
—
Mary Marlowe Leverette,
The Spruce,
28 June 2026
Seal Grout Seal and caulk any areas where shower grout is cracked or damaged to keep water from getting behind walls and baseboards.
—
Karen Brewer Grossman,
Southern Living,
22 June 2026
Noun
Run your steam cleaner along the caulk, and then mix soap and white vinegar and use the mixture to scrub the surface.
—
Emily Benda Gaylord,
The Spruce,
28 June 2026
Park Police said the incident happened on June 19—10 days after police received a report that the caulk over foam sealant at the pool was cut with a knife, according to a court filing from Wednesday.
—
Zachary Folk,
Forbes.com,
25 June 2026
See All Example Sentences for calk
Cite this Entry
“Calk.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calk. Accessed 6 Jul. 2026.
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