/ Dictionary / Index H Haydn: Meaning and Definition of Find definitions for: Hay•dn Pronunciation: (hīd'n), [key] 1732–1809, Austrian composer. 1737–1806, Austrian composer (brother of Franz Joseph Haydn). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: haydn (Thesaurus) Hayden hay doodle Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language