sire

Etymology

From Middle English sire, from Old French sire, the nominative singular of seignor; from Latin senior, from senex. Doublet of senior, seigneur, seignior, sir, and monsieur.

noun

1. A lord, master, or other person in authority, most commonly used vocatively: formerly in speaking to elders and superiors, later only when addressing a sovereign.
2. A male animal that has fathered a particular offspring (especially used of domestic animals and/or in biological research).
3. (obsolete) A father; the head of a family; the husband.
4. (obsolete) A creator; a maker; an author; an originator.

verb

1. (transitive, of a male) to father; to beget.