- a protective seal applied to the underside of an automobile to reduce corrosion and vibration.
Origin of undercoating
- to apply an undercoating to.
Origin of undercoat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- (tr) to apply an undercoat to (a surface)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012