padre (n.)

"priest, chaplain," used in reference to priests in Spain, Italy, and Mexico and South America, or the southwest of the U.S., 1580s, from Italian, Spanish, or Portuguese padre, from Latin patrem (nominative pater) "father" (see father (n.)). The title of the regular clergy in those languages. Papar was the name the Norse arriving in Iceland gave to Irish monks whom they found there.

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Definitions of padre from WordNet
padre (n.)
a chaplain in one of the military services;
Synonyms: military chaplain / Holy Joe / sky pilot
Padre (n.)
`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;
Synonyms: Father