{i} male parent of an animal; title of respect for a male sovereign; father (Archaic); forefather, male ancestor (Archaic); important and influential person (Archaic)
The creator of a vampire, regardless of whether it was male or female The newly created vampire is called a fledgling (qv) See Vampires
When a male animal, especially a horse, sires a young animal, he makes a female pregnant so that she gives birth to it. Comet also sired the champion foal out of Spinway Harvest