arcograph

[ ahr-kuh-graf, -grahf ]

noun

, Geometry.

1. an instrument for drawing arcs, having a flexible arc-shaped part adjusted by an extensible straight bar connecting its sides.

arcograph

/ -ˌɡræf; ˈɑːkəˌɡrɑːf /

noun

1. geometry an instrument used for drawing arcs without using a central point Also calledcyclograph

Word History and Origins

Origin of arcograph¹

First recorded in 1815–25; arc + -o- + -graph