/ Dictionary / Index C class day: Meaning and Definition of Find definitions for: class' day" Pronunciation: [key] — (sometimes cap.) a day during the commencement season on which the members of the graduating class in U.S. colleges and schools celebrate the completion of their course with special ceremonies. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. class consciousness classic Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language