/ Dictionary / Index W Whitsunday: Meaning and Definition of Find definitions for: Whit•sun•day Pronunciation: (hwit'sun'dā, -dē, wit'-&sylphwit's&schwan&sylpdā&sec, wit'-), [key] — n. the seventh Sunday after Easter, celebrated as a festival in commemoration of the descent of the Holy Spirit on the day of Pentecost. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: whitsunday (Thesaurus) Whitsun Whitsuntide Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language