/ Dictionary / Index D day cruiser: Meaning and Definition of Find definitions for: day' cruis"er Pronunciation: [key] a motorboat too small to have any accommodations for sleeping. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. day coach daydream Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language