definition of
undercoat

[1] #1 undercoat n. [underseal] seal consisting of a coating of a tar or rubberlike material on the underside of a motor vehicle to retard corrosion. wn

[2] #2 undercoat v. [prime, ground] cover with a primer; apply a primer to. wn

[3] #3 undercoat n. [flat coat, ground, primer, priming, primer coat, priming coat] the first or preliminary coat of paint or size applied to a surface. wn

[4] #4 undercoat n. [underfur] thick soft fur lying beneath the longer and coarser guard hair. wn