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

  • n. An equilateral parallelogram.

from the GNU version of the Collaborative International Dictionary of English

  • n. Same as rhomb, 1.

from The Century Dictionary and Cyclopedia

  • n. Same as rhomb.
  • n. [capitalized] An obsolete constellation, near the south pole.
  • n. [NL.] In ichthyology: [capitalized] A genus of Stromateidæ, generally united with Stromateus.
  • n. The Linnean specific name of the turbot (as Pleuronectcs rhombus), and later [capitalized] a generic name of the same (as Rhombus maximus), and of various other flatfishes now assigned to different genera.

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

  • n. a parallelogram with four equal sides; an oblique-angled equilateral parallelogram


Late Latin, from Latin, flatfish, magician's circle, from Greek rhombos, rhombus.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin rhombus, from Ancient Greek ῥόμβος (rhombos, "rhombus, spinning top"), from ῥέμβω (rhembo, "I turn around"). (Wiktionary)


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