• synonyms


[rom, romb]
  1. rhombus.
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Origin of rhomb

< Latin rhombus rhombus; compare French rhombe


  1. a combining form representing rhombus in compound words: rhombencephalon.
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Also especially before a vowel, rhomb-.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for rhomb

Historical Examples

  • Rhomboid, rom′boid, n. a figure of the form of a rhomb: a quadrilateral figure having only its opposite sides and angles equal.

    Chambers's Twentieth Century Dictionary (part 3 of 4: N-R)


  • It consisted of five magnetic needles, ranged side by side on a horizontal line that formed the diameter of a rhomb.

    Great Facts

    Frederick C. Bakewell

  • The opposite face of the rhomb, from which issue the polarized, ordinary, and extraordinary rays.

  • Let this rhomb be cut along the plane b c; and the two severed surfaces, after having been polished, reunited by Canada balsam.

  • B is silent when it follows m in the same syllable; as in lamb, &c. except in accumb, rhomb, and succumb.

British Dictionary definitions for rhomb


  1. another name for rhombus
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for rhomb


1570s, from Middle French rhombe, from Latin rhombus (see rhombus).

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Online Etymology Dictionary, © 2010 Douglas Harper

rhomb in Medicine


  1. Rhombus:rhomboid.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.