Quick answer
Columba is a boy/girl name meaning "dove".
Pronunciation: Late Latin /ko.ˈlum.ba/; English /kə.ˈlʌm.bə/.
Meaning and history
Latin name meaning "dove". The dove is a symbol of the Holy Spirit in Christianity. This was the name of several early saints both masculine and feminine, most notably the 6th-century Irish monk Saint Columba (or Colum) who established a monastery on the island of Iona off the coast of Scotland. He is credited with the conversion of Scotland to Christianity.
Notes and context
Usage: late roman