UNDERCOAT

Definition

1. verb cover with a primer. — synonyms: prime, ground
2. noun seal consisting of a coating of a tar or rubberlike material on the underside of a motor vehicle to retard corrosion. — synonyms: underseal
3. noun the first or preliminary coat of paint or size applied to a surface. — synonyms: flat_coat, ground, primer, priming, primer_coat, priming_coat
4. noun thick soft fur lying beneath the longer and coarser guard hair. — synonyms: underfur