To copulate.
To apply caulking to joints, cracks, or a juncture of different materials.
To drive oakum into the seams of a ship's wooden deck or hull to make it watertight.
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.
Caulking.
To seal an opening, so as to prevent the entry of draughts.
That prevents the entry of draughts.