topcoat

[ top-koht ]
/ ˈtɒpˌkoʊt /

noun

a lightweight overcoat.
the coat of paint applied last to a surface.

verb (used with object)

to apply the topcoat to (a surface).

Origin of topcoat

First recorded in 1810–20; top1 + coat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for topcoat

topcoat

/ (ˈtɒpˌkəʊt) /

noun

an outdoor coat worn over a suit, etc
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