Source : Webster's Revised Unabridged Dictionary (1913)

Columba \Co*lum"ba\, n. (Med.)
   See {Calumba}.

Source : WordNet®

Columba
     n 1: a constellation in the southern hemisphere near Puppis and
          Caelum [syn: {Dove}]
     2: type genus of the Columbidae: typical pigeons [syn: {genus
        Columba}]