/ Dictionary / Index S Sermon on the Mount: Meaning and Definition of Find definitions for: Ser'mon on the Mount' Pronunciation: [key] a discourse delivered by Jesus to the disciples and others, containing the Beatitudes and important fundamentals of Christian teaching. Matt. 5–7; Luke 6:20–49. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sermonize sero- Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language