God when considered as the first person in the Trinity; "hear our prayers, Heavenly Father"
a male parent (also used as a term of address to your father); "his father was born in Atlanta"
`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
a person who holds an important or distinguished position in some organization; "the tennis fathers ruled in her favor"; "the city fathers endorsed the proposal"
an estimation that is too low; an estimate that is less than the true or actual value
make too low an estimate of; "he underestimated the work that went into the renovation"; "Don't underestimate the danger of such a raft trip on this river"