helicograph

[ hel-i-koh-graf, -grahf ]

noun

1. an instrument for drawing helices.

helicograph

/ -ˌɡræf; ˈhɛlɪkəʊˌɡrɑːf /

noun

1. an instrument for drawing spiral curves

Word History and Origins

Origin of helicograph¹

First recorded in 1850–55; helico- + -graph