noun

1. SIRE, male parent of an animal especially a domestic animal such as a horse
2. SIRE, the founder of a family
3. SIRE, a title of address formerly used for a man of rank and authority
4. SIRE, a male parent of some animals (such as dogs and horses)

verb

1. SIRE, make (offspring) by reproduction
2. SIRE, to become the father of (an animal)
3. SIRE, to become the father of (a child)

1. his sire had been a renowned Wall Street lawyer
2. the revered sire of the impressionist movement in art
3. The horse sired several champion racers.
4. the champion racehorse went on to sire a long line of winners