/ Dictionary / Index A arcograph: Meaning and Definition of Find definitions for: arc•o•graph Pronunciation: (är'ku-graf", -gräf"), [key] — n. Geom. an instrument for drawing arcs, having a flexible arc-shaped part adjusted by an extensible straight bar connecting its sides. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Arc of Lowitz arcosolium Related Content Daily Word Quiz: knead Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language