Caulk

v. t.	1.	See Calk, v..
	2.	to fill in the seams or cracks of, with a waterproof material such as caulk.
n.	1.	See Calk.
	2.	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.

Verb

1.

caulk - seal with caulking; "caulk the window" Synonyms: calk

bar, bind, block, block up, blockade, bung, chink, choke, choke off, choke up, clog, clog up, congest, constipate, cork, cover, dam, dam up, fill, fill up, foul, jam, obstipate, obstruct, pack, plug, plug up, spile, stanch, stay, stench, stop, stop up, stopper, stopple, stuff, stuff up