Father on a stud farm

I believe the answer is:

sire

(Other definitions for sire that I've seen before include "Bear" , "Ancestor" , "Rise for male parent (4)." , "Old form of address to king - rise to it" , "Make children" .)

I've seen this clue in The New York Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.