es‧ca‧la‧tor /ˈeskəleɪtə $ -ər/
noun [countable][
Date: 1900-2000;
Origin: escalade 'to climb up' (16-21 centuries) (from French, from Italian scalare) + elevator]
a set of moving stairs that take people to different levels in a building
[TahlilGaran] Dictionary of Contemporary English ▲