from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having four sides (as a tetragon); quadrilateral.
  • adj. Having two equal axes and one unequal, and all angles 90°.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to a tetragon; having four angles or sides; thus, the square, the parallelogram, the rhombus, and the trapezium are tetragonal fingers.
  • adj. Having four prominent longitudinal angles.
  • adj. Designating, or belonging to, a certain system of crystallization; dimetric. See Tetragonal system, under Crystallization.

from The Century Dictionary and Cyclopedia

  • In geometry, pertaining to a tetragon; having four angles or sides.
  • In botany and zoology, four-angled; having four longitudinal angles.
  • Square; quartile.

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

  • adj. of or relating to or shaped like a quadrilateral


Sorry, no etymologies found.



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