Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A solid bounded by polygons.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A solid figure with many flat faces and straight edges.
  • n. A polyscope, or multiplying glass.

from the GNU version of the Collaborative International Dictionary of English

  • n. A body or solid contained by many sides or planes.
  • n. A polyscope, or multiplying glass.

from The Century Dictionary and Cyclopedia

  • n. In geometry, a solid bounded by plane faces.
  • n. In optics, a multiplying glass or lens consisting of several plane surfaces disposed in a convex form, through each of which an object is seen; a polyscope.
  • n. In bot.,in Hydrodictyon or water-net, one of the special angular cells with horn-like processes formed by the swarm-cells produced in the zygospore, within each of which a new cœnobium is developed.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a solid figure bounded by plane polygons or faces

Etymologies

From New Latin, from Ancient Greek πολύεδρον (poluedron), from πολύς (polus, "many") + ἕδρα (hedra, "seat"); compare French polyèdre. (Wiktionary)

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