Meaning of “economy” - Learner’s Dictionary

economy

noun uk us /ɪˈkɒnəmi/
SYSTEM [ C ]

B2 the system by which a country produces and uses goods and money:

the German/US economy
a global economy
USING LESS [ C, U ]

a situation in which someone or something does not use much money, fuel, etc:

The car's design combines comfort with economy.
UK We'll need to make some economies when I stop work.

(Definition of “economy” from the Cambridge Learner’s Dictionary © Cambridge University Press)