/ Dictionary / Index S solar battery: Meaning and Definition of Find definitions for: so'lar bat'tery Pronunciation: [key] an array of solar cells, used as a source of electrical power. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. solar apex solar cell Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language