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."