/ Dictionary / Index O orbital velocity: Meaning and Definition of Find definitions for: or'bital veloc'ity Pronunciation: [key] the minimum velocity at which a body must move to maintain a given orbit. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. orbital sander orbiter Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language