Calking /(?)/

Calk·ing

Calking

n.
  1. The act or process of making seems tight, as in ships, or of furnishing with calks, as a shoe, or copying, as a drawing.
    Their left hand does the calking iron guide.

Phrases & Compounds
Calking iron
a tool like a chisel, used in calking ships, tightening seams in ironwork, etc.