Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The wheel which, together with the axle, forms the axis in peritrochio.

from the GNU version of the Collaborative International Dictionary of English

  • n. The wheel which, together with the axle, forms the axis in peritrochio, which see under axis.

from The Century Dictionary and Cyclopedia

  • n. A wheel fixed upon an axle so as to turn along with it, constituting one of the mechanical powers called the wheel and axle. See wheel.

Etymologies

From Ancient Greek περί ("around") + τροχός ("a wheel"). (Wiktionary)

Examples

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