un|der|coat

un|der|coat «UHN duhr _KOHT», noun, verb.

–n.

1. a growth of short, fine hair under an animal's outer coat.

2. a coat of paint, varnish, or other substance, applied before the finishing coats; primer.

3. a) a heavy, tarlike substance sprayed on the underneath parts of an automobile to protect them from water, dirt, and salt on the road. b) a coating of this substance.

–v.t., v.i.

to apply or cover with an undercoat.