[ uhn-der-ley-er ]

  1. a layer lying beneath another; substratum.

Origin of underlayer

First recorded in 1895–1900; under- + layer

Words Nearby underlayer

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use underlayer in a sentence

  • On some votive stones the characters were red, cut out in round pieces of granite with a white underlayer.