/ Dictionary / Index P Palm Sunday: Meaning and Definition of Find definitions for: Palm' Sun'day Pronunciation: [key] the Sunday before Easter, celebrated in commemoration of Christ's triumphal entry into Jerusalem. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. palm sugar palmtop Related Content Daily Word Quiz: knead Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language