UNDERCOAT

Definition of UNDERCOAT

  1. (noun)seal consisting of a coating of a tar or rubberlike material on the underside of a motor vehicle to retard corrosion
  2. (noun)the first or preliminary coat of paint or size applied to a surface
  3. (noun)thick soft fur lying beneath the longer and coarser guard hair
  4. (verb)cover with a primer; apply a primer to