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Definition of Ellipsograph
1. n. An instrument for describing ellipses; -- called also trammel.
Definition of Ellipsograph
1. Noun. A mechanical instrument used to trace out an ellipse. Applied to draw, cut, etc mathematically correct ellipses (rather than general ovals). ¹
¹ Source: wiktionary.com
Medical Definition of Ellipsograph
1. An instrument for describing ellipses. Synonym: trammel. Origin: Ellipse + graph: cf. F. Ellipsographe. Source: Websters Dictionary (01 Mar 1998)