Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun caulk

1 sense of caulk

Sense 1
caulk, caulking -- (a waterproof filler and sealant that is used in building and repair to make watertight)
       => sealant, sealer -- (a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface))

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb caulk

1 sense of caulk

Sense 1
caulk, calk -- (seal with caulking; "caulk the window")
       => seal, seal off -- (make tight; secure against leakage; "seal the windows")