n.
 (pl. economies)
   - the state of a country or area in terms of the production and consumption of goods and services and the supply of money. ▸a country or area having a particular economy: ![]()  a free-market economy. 
- careful management of available resources. ▸
[ as modifier]
 offering good value for money: ![]()  an economy pack. 
▸a financial saving. 
- 
(also economy class)
 the cheapest class of air or rail travel.
Phrase
  
    
      - economy of scale
 a proportionate saving in costs gained by an increased level of production.
 
  Etymology
  C15: from Fr. économie, or via L. from Gk oikonomia ‘household management’, based on oikos ‘house’ + nemein ‘manage’.