D defs.my
Entry 1 sense Webster, 1913

Calking

· Calk·ing · IPA
01 n. The act or process of making seems tight, as in ships, or of furnishing with calks, as a shoe, or copying, as a drawing.
  1. 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.” Dryden.
Phrases & compounds
Calking iron — a tool like a chisel, used in calking ships, tightening seams in ironwork, etc.