caulker

noun

caulk·​er
ˈkȯ-kər
variants or calker
plural -s
1
: a worker who forces sealing matter into seams or joints with a caulking tool to make them watertight
2
: a tool for caulking
specifically : a caulking iron operated by compressed air
3
slang : a drink of liquor : dram

Word History

Etymology

Middle English calker, from calken + -er

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Cite this Entry

“Caulker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/caulker. Accessed 20 Dec. 2025.

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