/ Dictionary / Index M mean anomaly: Meaning and Definition of Find definitions for: mean' anom'aly Pronunciation: [key] the anomaly of a mean planet; the angular distance of the planet from perihelion or aphelion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mean meander Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language