Caulk
v. t.
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See Calk, v..
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to fill in the seams or cracks of, with a waterproof material such as caulk.
Caulk
n.
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See Calk.
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a viscous semisolid material of varying composition used to fill in seams of objects which are exposed to water, such as wooden ships or bath tiles; -- called also calk and caulking. After applying in a semisolid form, the material hardens and dries to form a waterproof seal. It is used in the process of caulking. It is sometimes applied together with a rope-like cord to fill larger seams.