from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A mechanical instrument used to trace out an ellipse. Applied to draw, cut, etc mathematically correct ellipses (rather than general ovals).
from the GNU version of the Collaborative International Dictionary of English
- n. An instrument for describing ellipses; -- called also trammel.
from The Century Dictionary and Cyclopedia
- n. An instrument for describing ellipses; a trammel. Also elliptograph.
Sorry, no etymologies found.
Cosmo Versál swung on the stool, and played with an ellipsograph; Joseph Smith dropped his chin on his breast and nervously fingered the pockets of his long vest.