/ Dictionary / Index M mock pendulum: Meaning and Definition of Find definitions for: mock' pen'dulum Pronunciation: [key] a false pendulum bob attached to the balances of certain timepieces and visible through a slot in the dial or case. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mock orange mock pennyroyal 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