Saturnian n. (Zool.) Any one of numerous species of large handsome moths belonging to Saturnia and allied genera. The luna moth, polyphemus, and promethea, are examples. They belong to the Silkworn family, and some are raised for their silk. See Polyphemus.
... now returned again To Sicily the old Saturnian reign; Under the Angel's governance benign The happy island danced with corn and wine, And deep within the mountain's burning breast Enceladus, the giant, ... — The Complete Poetical Works of Henry Wadsworth Longfellow • Henry Wadsworth Longfellow