/ Dictionary / Index P Promethea moth: Meaning and Definition of Find definitions for: Pro•me'the•a moth" Pronunciation: (pru-mē'thē-u), [key] a silkworm moth, Callosamia promethea, having reddish-brown wings, each with a border of white or yellow, the larvae of which feed on spicebush and other lauraceous plants. Also calledSee illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. promethazine Promethean Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language