n.1 a the sixth planet from the sun, with a system of broad flat rings circling it, and the most distant of the five planets known in the ancient world. b Astrol. Saturn as a supposed astrological influence on those born under its sign, characterized by coldness and gloominess.
2 Alchemy the metal lead.
Derivatives:
Saturnian adj.
Etymology: L Saturnus, Roman god of agriculture, identified with Kronos, father of Zeus, perh. f. Etruscan