D defs.my
Entry 1 sense Webster, 1913

Scratch coat

/skrăch kōt/ · Scratch· coat · IPA
01 The first coat in plastering; -- called also scratchwork. See Pricking-up.
  1. 1.
    The first coat in plastering; -- called also scratchwork. See Pricking-up. See: Pricking-up