Is “Calk” a Scrabble word?

1.A pointed projection on a horseshoe to prevent it slipping.

2.A spike on the sole of a boot to prevent slipping, particularly used in logging

1.To make an indentation in the edge of a metal plate, as along a seam in a steam boiler or an iron ship, to force the edge of the upper plate hard against the lower and so fill the crevice.

1.To drive oakum into the seams of a ship's wooden deck or hull to make it watertight.

2.To apply caulking to joints, cracks, or a juncture of different materials.

3.Fuck