资料来源 : Webster's Revised Unabridged Dictionary (1913)

Cymograph \Cy"mo*graph\, n. [Cyma + -graph.]
   (a) An instrument for making tracings of the outline or
       contour of profiles, moldings, etc.
   (b) Var. of {Kymograph}. -- {Cy`mo*graph"ic}, a.