from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A gyroscope consisting of a rotating wheel in a rigid case.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A gyroscope fixed within a rigid case
from the GNU version of the Collaborative International Dictionary of English
- n. A modification of the gyroscope, consisting essentially of a fly wheel fixed inside a rigid case to which is attached a thin flange of metal for supporting the instrument. It is used in studying the dynamics of rotating bodies.
from The Century Dictionary and Cyclopedia
- n. An instrument for illustrating the dynamics of rotation, composed of a box or case having a sharp bearing-edge in the form of a regular polygon, and containing a fly-wheel having its center and its direction of rotation in the plane of the bearing-edge.
Sorry, no etymologies found.