a provision in a contract calling for adjustments, usually increases, in charges, wages, or other payments, based on fluctuations in production costs, the cost of living, or other variables.
Origin of escalator clause
An Americanism dating back to 1925–30
Also called, especially British, escalation clause.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for escalator clause
a clause in a contract stipulating an adjustment in wages, prices, etc, in the event of specified changes in conditions, such as a large rise in the cost of living or price of raw materials
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