/ Dictionary / Index O Orbiting Solar Observatory: Meaning and Definition of Find definitions for: Or'biting So'lar Observ'atory. Pronunciation: [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Orbiting Geophysical Observatory orb weaver Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language