Orator \Or"a*tor\, n. [L., fr. orare to speak, utter. See Oration.]

1. A public speaker; one who delivers an oration; especially, one distinguished for his skill and power as a public speaker; one who is eloquent.

I am no orator, as Brutus is. --Shak.

Some orator renowned In Athens or free Rome. --Milton.

2. (Law)
   (a) In equity proceedings, one who prays for relief; a petitioner.
   (b) A plaintiff, or complainant, in a bill in chancery. --Burrill.

3. (Eng. Universities) An officer who is the voice of the university upon all public occasions, who writes, reads, and records all letters of a public nature, presents, with an appropriate address, those persons on whom honorary degrees are to be conferred, and performs other like duties; -- called also public orator.

Source: Webster's Revised Unabridged Dictionary (1913)