Definition of columba in English English dictionary
St. Columba of Iona (Old Irish Columb Cille, meaning "Dove of the church"); one of the Gaelic missionary monks who reintroduced Christianity to Scotland during the Dark Ages
A small winter constellation of the northern sky, said to resemble a dove. It was introduced by Augustin Royer in 1679, as a split from the constellation Canis Major
or Colum or Columcille born 521, Tyrconnell died June 8/9, 597, Iona; feast day June 9 Irish abbot and missionary. A member of the warrior aristocracy, he was excommunicated for his part in a bloody battle. Exiled, he set out to do penance as a missionary. He founded two famous monasteries in Ireland before taking 12 disciples to the Scottish island of Iona ( 563), where they built a church and monastery that served as a base for the conversion of the Scottish Picts, and thereby Scotland, to Christianity