seal consisting of a coating of a tar or rubberlike material on the underside of a motor vehicle to retard corrosion

[ Syn: underseal ]

the first or preliminary coat of paint or size applied to a surface

[ Syn: flat coat , ground , primer , priming , primer coat , priming coat ]

thick soft fur lying beneath the longer and coarser guard hair

[ Syn: underfur ]

cover with a primer; apply a primer to

[ Syn: prime , ground ]