Definition of "Father" :
noun: God when considered as the first person in the Trinity
"Hear our prayers, Heavenly Father."
noun: (Christianity) any of about 70 theologians in the period from the 2nd to the 7th century whose writing established and confirmed official church doctrine; in the Roman Catholic Church some were later declared saints and became Doctor of the Church; the best known Latin Church Fathers are Ambrose, Augustine, Gregory the Great, and Jerome; those who wrote in Greek include Athanasius, Basil, Gregory Nazianzen, and John Chrysostom
noun: the head of an organized crime family
noun: a male parent (also used as a term of address to your father)
"His father was born in Atlanta."
noun: Father' is a term of address for priests in some churches (especially the Roman Catholic Church or the Orthodox Catholic Church); Padre' is frequently used in the military
noun: a person who holds an important or distinguished position in some organization
"The tennis fathers ruled in her favor."
noun: the founder of a family
"Keep the faith of our forefathers."
noun: a person who founds or establishes some institution
"George Washington is the father of his country."
verb: make (offspring) by reproduction
"John fathered four daughters."