calk

1 of 6

verb (1)

variant spelling of caulk

transitive verb

: 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

calk

3 of 6

verb (2)

variants or caulk
calked or caulked; calking or caulking; calks or caulks

transitive verb

1
: to furnish with calks
2
: to wound with a calk
variants or calk
caulked or calked; caulking or calking; caulks or calks

transitive verb

: 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

caulk

5 of 6

noun (2)

variants or calk or less commonly caulking or calking
: material used to caulk

caulk

6 of 6

noun (3)

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 calk in a Sentence

Verb (3) He carefully caulked the area around the windows.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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
The fire knocked out power for weeks, caused smoke damage inside and melted caulking around some of its windows. Matthew Geiger, Denver Post, 5 Feb. 2026 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
Noun
This can be done with caulk, mesh, flashing or foam sealants. Alora Bopray, USA Today, 24 June 2026 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 See All Example Sentences for calk

Word History

Etymology

Noun (1)

probably alteration of calkin, from Middle English kakun, from Middle Dutch or Middle French dialect; Middle Dutch calcoen horse's hoof, from Middle French dialect (Walloon) calcain heel, from Latin calcaneum, from calc-, calx heel

Verb (3)

Middle English caulken, from Anglo-French cauker, calcher, chalcher to trample, from Latin calcare, from calc-, calx heel

First Known Use

Noun (1)

1587, in the meaning defined above

Verb (2)

1624, in the meaning defined at sense 1

Verb (3)

15th century, in the meaning defined above

Noun (2)

1954, in the meaning defined above

Time Traveler
The first known use of calk was in the 15th century

Browse Nearby Words

Cite this Entry

“Calk.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calk. Accessed 7 Jul. 2026.

Kids Definition

calk

variant of caulk

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