1 of 3

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)


2 of 3


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


3 of 3

verb (2)

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

transitive verb

: to furnish with calks
: to wound with a calk

Examples of calk in a Sentence

Recent Examples on the Web
Worn-out calks are removed promptly with chisel and hammer. Popular Mechanics Editors, Popular Mechanics, 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, 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, 13 Aug. 2010

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'calk.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History



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

First Known Use


1587, in the meaning defined above

Verb (2)

1624, in the meaning defined at sense 1

Time Traveler
The first known use of calk was in 1587

Dictionary Entries Near calk

Cite this Entry

“Calk.” Dictionary, Merriam-Webster, Accessed 9 Dec. 2023.

Kids Definition


variant of caulk

More from Merriam-Webster on calk

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