Source : WordNet®

Columbus
     n 1: the state capital of Ohio; located in the center of the
          state; site of Ohio State University [syn: {capital of
          Ohio}]
     2: Italian navigator who discovered the New World in the
        service of Spain while looking for a route to China
        (1451-1506) [syn: {Christopher Columbus}, {Cristoforo
        Colombo}, {Cristobal Colon}]
     3: a town in eastern Mississippi near the border with Alabama
     4: a city in western Georgia on the Chattahoochee River;
        industrial center