undercoat

/ˌʌndərˈkoʊt/

Other forms: undercoating; undercoats; undercoated

Definitions of undercoat

1. noun

   the first or preliminary coat of paint or size applied to a surface
   synonyms: flat coat, ground, primer, primer coat, priming, priming coat

   types:

   couch

   a flat coat of paint or varnish used by artists as a primer

   type of:

   coat of paint

   a layer of paint covering something else
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

   type of:

   seal

   a finishing coat applied to exclude moisture
3. verb

   cover with a primer; apply a primer to
   synonyms: ground, prime

   type of:

   paint

   apply paint to; coat with paint
4. noun

   thick soft fur lying beneath the longer and coarser guard hair
   synonyms: underfur

   type of:

   fur

   dense coat of fine silky hairs on mammals (e.g., cat or seal or weasel)