Entry 2 senses · 2 variants Webster, 1913 Cymograph · Cy·mo·graph · IPA n. v. t. 01 n. An instrument for making tracings of the outline or contour of profiles, moldings, etc. 1. An instrument for making tracings of the outline or contour of profiles, moldings, etc. 02 v. t. To trace or copy with a cymograph. 1. To trace or copy with a cymograph.