Source : Webster's Revised Unabridged Dictionary (1913)

Colombo \Co*lom"bo\, n. (Med.)
   See {Calumba}.

Source : WordNet®

Colombo
     n : the capital and largest city of Sri Lanka; has one of the
         largest harbors in the world; is located on the western
         coast of the island of Ceylon [syn: {capital of Sri Lanka}]