Variant of undercoat
- Obsolete a coat worn under another
- an under layer of short hair in an animal's coat
- a coating as of tarlike material applied to the exposed underside of a motor vehicle to deaden noise, retard rust, etc.
- a coat of paint, varnish, etc. applied as a first coat or before the final coat
Also (for undercoat & )undercoating
to apply an undercoat to