Dictionary
su•per•cit•y
Pronunciation: (sOO'pur-sit"ē), [key]—
n.,
—pl. -cit•ies.
1. a large, heavily populated urban area that includes several cities; megalopolis.
2. a very large city.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.