sire
US /saɪr/
UK /saɪr/

1.
the male parent of an animal, especially a stallion or bull
:
•
The foal's sire was a famous racehorse.
•
They are looking for a suitable sire for their prize-winning cow.
2.
a respectful term of address for a king or other male sovereign
:
•
Yes, Sire, your command will be obeyed.
•
The knight bowed deeply and addressed the king, "My Sire."