Word
escalator, n.
(escalators)
a stairway whose steps move continuously on a circulating belt
<noun.artifact>
escalator
moving staircase
moving stairway
semantic pointers
hypernym
stairway, staircase
a clause in a contract that provides for an increase or a decrease in wages or prices or benefits etc. depending on certain conditions (as a change in the cost of living index)
<noun.communication>
escalator
escalator clause
semantic pointers
hypernym
article, clause