/ Dictionary / Index L law of the mean: Meaning and Definition of Find definitions for: law' of the mean' Pronunciation: [key] — Math. Math. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. law of the jungle Law of the Medes and the Persians Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language