undercoating

noun

1. a protective seal applied to the underside of an automobile to reduce corrosion and vibration.

noun

1. a coat or jacket worn under another.
2. Zoology. a growth of short fur or hair lying beneath a longer growth.
3. an undercoating.
4. a coat of paint or the like applied under the finishing coat.
5. a paint, sealer, or the like specially prepared for use underneath a finishing coat.

verb (used with object)

6. to apply an undercoating to.

noun

1. a coat of paint or other substance applied before the top coat
2. a coat worn under an overcoat
3. zoology another name for underfur
4. the US name for underseal

verb

5. (tr) to apply an undercoat to (a surface)