/ Dictionary / Index H helicograph: Meaning and Definition of Find definitions for: hel•i•co•graph Pronunciation: (hel'i-kō-graf", -gräf"), [key] — n. an instrument for drawing helices. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. helico- helicoid Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language