Search Result for "gyroscope": 
Wordnet 3.0

NOUN (1)

1. rotating mechanism in the form of a universally mounted spinning wheel that offers resistance to turns in any direction;
[syn: gyroscope, gyro]


The Collaborative International Dictionary of English v.0.48:

Gyroscope \Gy"ro*scope\ (j[imac]"r[-o]*sk[=o]p), n. [Gr. gy^ros ring, circle + -scope.] 1. A rotating wheel, mounted in a ring or rings, for illustrating the dynamics of rotating bodies, the composition of rotations, etc. It was devised by Professor W. R. Johnson, in 1832, by whom it was called the rotascope. [1913 Webster] 2. A form of the above apparatus, invented by M. Foucault, mounted so delicately as to render visible the rotation of the earth, through the tendency of the rotating wheel to preserve a constant plane of rotation, independently of the earth's motion. [1913 Webster]
WordNet (r) 3.0 (2006):

gyroscope n 1: rotating mechanism in the form of a universally mounted spinning wheel that offers resistance to turns in any direction [syn: gyroscope, gyro]
Moby Thesaurus II by Grady Ward, 1.0:

44 Moby Thesaurus words for "gyroscope": balance, balance rudder, balance wheel, ballast, centrifuge, chuck, counterbalance, counterweight, drill, extractor, fan, fin, fixative, flywheel, governor, hairspring, impeller, jack, keel, mordant, pendulum, propeller, reel, roller, rolling pin, rotary drill, rotor, screw, shock absorber, spindle, spinner, spit, spool, springs, stabilizator, stiffening, tail plane, teetotum, top, treadmill, turbine, turntable, whorl, windmill