/ Dictionary / Index D day sailer: Meaning and Definition of Find definitions for: day' sail"er Pronunciation: [key] a small sailboat without sleeping accommodations, suitable for short trips. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. daysail day school Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language