Meaning of tri-city

tri-cit•y

Pronunciation: (trī'sit'ē, -sit"ē), [key]
— adj.
  1. of or pertaining to a metropolitan area consisting of three separate but interdependent cities: an instance of tri-city cooperation.
—n.
  1. any one of three such cities.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.