/ Dictionary / Index H heptasyllable: Meaning and Definition of Find definitions for: hep•ta•syl•la•ble Pronunciation: (hep'tu-sil"u-bul), [key] — n. a word or line of verse of seven syllables. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. heptastich Heptateuch Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language