- to fill or close seams or crevices of (a tank, window, etc.) in order to make watertight, airtight, etc.
- to make (a vessel) watertight by filling the seams between the planks with oakum or other material driven snug.
- to fill or close (a seam, joint, etc.), as in a boat.
- to drive the edges of (plating) together to prevent leakage.
- Also caulk·ing [kaw-king] /ˈkɔ kɪŋ/. a material or substance used for caulking.
Origin of caulk
Related Words for caulkblock, shutter, shut, lock, plug, clog, secure, fence, trammel, wall, dam, dike, blockade, jam, barricade, bolt, fasten, close, latch, seal
Examples from the Web for caulk
Historical Examples of caulk
I've forgotten to caulk that seam over your bunk, and it's going to rain.The Riddle of the Sands
This satisfied them that they must caulk the boat before they could venture out to sea in her.
Billy, who was always ready for a caulk, lay down in the stern sheets.
"Haines was to send a man to caulk a seam in the Nancy," he muttered.Prisoners of Hope
The beginner should start at the trap and caulk the joints with the trap held in place.Elements of Plumbing
- to stop up (cracks, crevices, etc) with a filler
- nautical to pack (the seams) between the planks of the bottom of (a vessel) with waterproof material to prevent leakage
Word Origin for caulk
late 14c., "to stop up crevices or cracks," from Old North French cauquer, from Late Latin calicare "to stop up chinks with lime," from Latin calx (2) "lime, limestone" (see chalk). Original sense is nautical, of making ships watertight. Related: Caulked; caulking. As a noun, "caulking material," by 1980 (caulking in this sense was used from 1743). Related: Caulker.