Pronunciation: (i-kon'u-mē-sīz"), [key]
1. larger in size and costing less per unit of measurement than a smaller size: an economy-size box of soap flakes.
2. smaller in size and costing less: economy-size cars. Also,e•con'o•my-sized".
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.