variant spelling of

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)


\ ˈkȯk How to pronounce calk (audio) \
variants: or

Definition of calk (Entry 2 of 3)

: a cleat on the shoe of a horse to prevent slipping also : a similar device worn on the sole of a shoe
variants: or caulk
calked or caulked; calking or caulking; calks or caulks

Definition of calk (Entry 3 of 3)

transitive verb

1 : to furnish with calks
2 : to wound with a calk

Examples of calk in a Sentence

Recent Examples on the Web: Noun Worn-out calks are removed promptly with chisel and hammer. Popular Mechanics Editors, Popular Mechanics, "The Lost Art of Floating Logs Down the River," 16 Feb. 2019 These holes are filled with square pegs of white pine and new calks driven into the wood. Popular Mechanics Editors, Popular Mechanics, "The Lost Art of Floating Logs Down the River," 16 Feb. 2019 On the inside, use weatherstripping provided by the manufacturer; on the outside, use calk around the perimeter to ensure a good seal. Brian Resnick, Popular Mechanics, "How to Install a Window Air-Conditioner Unit," 13 Aug. 2010

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'calk.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of calk


1587, in the meaning defined above

Verb (2)

1624, in the meaning defined at sense 1

History and Etymology for calk


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

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Cite this Entry

“Calk.” The Dictionary, Merriam-Webster Inc., Accessed 19 January 2020.

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More from Merriam-Webster on calk

Rhyming Dictionary: Words that rhyme with calk

Spanish Central: Translation of calk

Nglish: Translation of calk for Spanish Speakers

Comments on calk

What made you want to look up calk? Please tell us where you read or heard it (including the quote, if possible).


to insert between existing elements

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