/ Dictionary / Index F first classman: Meaning and Definition of Find definitions for: first' class'man Pronunciation: (klas'mun, kläs'-), [key] — pl. -men. a fourth-year student at a U.S. military academy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. first class first-come Related Content Daily Word Quiz: reluctant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language