Collins English-English Dictionary

sire [saɪə]

1. 1. n a male parent, esp of a horse or other domestic animal

2. 2. n a respectful term of address, now used only in addressing a male monarch

3. 3. n [obsolete] a man of high rank

4. 4. vt. [tr] (esp of a domestic animal) to father; beget

5. 5. vt. [Etymology] C13: from Old French, from Latin senior an elder, from senex an old man