Definition of caulks:
(n) :
A composition of vehicle and pigment used at ambient temperatures for filling/sealing joints or junctures, that remains elastic for an extended period of time after application.
(v) :
(construction) To apply caulking to joints, cracks, or a juncture of different materials.
(n) :
Caulking.
(v) :
(nautical) To drive oakum into the seams of a ship's wooden deck or hull to make it watertight.
(n) :
(nautical, slang) A short sleep; a nap.
(v) :
(nautical, slang) To take a short sleep; to nap.