[f. CURVE (or L. curvus) + -GRAPH.] An instrument for describing curves.
1817. W. Warcup, in Trans. Soc. Arts, XXXV. 109. An instrument of my invention for describing curve lines, which I purpose calling the curvograph.
1874. Knight, Dict. Mech., Curvograph, an instrument for drawing a curve without reference to the center.
