undercoat - noun

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

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

thick soft fur lying beneath the longer and coarser guard hair

undercoat - verb

• cover with a primer; apply a primer to

undercoat - thesaurus

ground   prime   primer   priming   underfur   underseal