"Coating" refers to a layer or a thin covering material that is applied onto the surface of an object for protection, decoration, or functionality. Full definition
A white roof reflects the sun's light and heat, so a couple of coats of paint can reduce your carbon emissions and take about 20 percent off your energy bills. (marthastewart.com)
I gave it a quick couple of coats with creamy white chalk paint so it was solid white. (mylifeonkayderosscreek.com)
The soul purpose to wear trench coat in winter is to protect yourself from the cold. (outfittrends.com)