Sa″turn (?), n. [L. Saturnus, literally, the sower, fr. serere, satum, to sow. See Season.] 1. (Roman Myth.) One of the elder and principal deities, the son of Cœlus and Terra (Heaven and Earth), and the father of Jupiter. The corresponding Greek divinity was Κρόνοσ, later Χρόνοσ, Time.
2. (Astron.) One of the planets of the solar system, next in magnitude to Jupiter, but more remote from the sun. Its diameter is seventy thousand miles, its mean distance from the sun nearly eight hundred and eighty millions of miles, and its year, or periodical revolution round the sun, nearly twenty-nine years and a half. It is surrounded by a remarkable system of rings, and has eight satellites.
3. (Alchem.) The metal lead.