From The Collaborative International Dictionary of English v.0.48:
Sire \Sire\, v. t. [imp. & p. p. Sired; p. pr. & vb. n. Siring.] To beget; to procreate; -- used of beasts, and especially of stallions. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Sire \Sire\, n. [F. sire, originally, an older person. See Sir.] 1. A lord, master, or other person in authority. See Sir. [Obs.] [1913 Webster]
Pain and distress, sickness and ire, And melancholy that angry sire, Be of her palace senators. --Rom. of R. [1913 Webster]
2. A tittle of respect formerly used in speaking to elders and superiors, but now only in addressing a sovereign. [1913 Webster]
3. A father; the head of a family; the husband. [1913 Webster]
Jankin thet was our sire [i.e., husband]. --Chaucer. [1913 Webster]
And raise his issue, like a loving sire. --Shak. [1913 Webster]
4. A creator; a maker; an author; an originator. [1913 Webster]
[He] was the sire of an immortal strain. --Shelley. [1913 Webster]
5. The male parent of a beast; -- applied especially to horses; as, the horse had a good sire. [1913 Webster]
Note: Sire is often used in composition; as in grandsire, grandfather; great-grandsire, great-grandfather. [1913 Webster]