Definition of sires:
(n) :
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.
(n) :
A male animal that has fathered a particular offspring (especially used of domestic animals and/or in biological research).
(v) :
(transitive, of a male) To father; to beget.
(n) :
(fantasy) The vampire who turned another person.
(v) :
(transitive, fantasy) To turn (another person) into a vampire.
(n) :
(obsolete) A father; the head of a family; the husband.