underlayer noun1.
['ʌndǝleɪǝ] ME.[from UNDERLAY verb1 + -ER1.]1. An underlying part or thing; a base, a support.
ME-L18.2. A cobbler. Only in
L17.3. Mining. A perpendicular shaft sunk to cut a lode at a required depth.
M19. [TahlilGaran] English Dictionary ▲