underlayer

== English == === Etymology === From under- +‎ layer. === Pronunciation === === Noun === underlayer (plural underlayers) A layer that is below another layer. Synonyms: substrate, substratum (mining) A perpendicular shaft sunk to cut the lode at any required depth. One who underlays. === Verb === underlayer (third-person singular simple present underlayers, present participle underlayering, simple past and past participle underlayered) To form a layer beneath another === References === “underlayer”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC. === Anagrams === unreaderly