arcograph

American

[ahr-kuh-graf, -grahf] / ˈɑr kəˌgræf, -ˌgrɑf /

noun

Geometry.

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

arcograph British

/ -ˌɡræf, ˈɑːkəˌɡrɑːf /

noun

Also called: cyclograph. geometry an instrument used for drawing arcs without using a central point

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of arcograph

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023