/ Dictionary / Index A Amalthea: Meaning and Definition of Find definitions for: Am•al•the•a Pronunciation: (am"ul-thē'u), [key] Amalthaea. a small natural satellite of the planet Jupiter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Amalthaea Aman Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language