rhom·​bus ˈräm-bəs How to pronounce rhombus (audio)
plural rhombuses or rhombi ˈräm-ˌbī How to pronounce rhombus (audio)
: a parallelogram with four equal sides and sometimes one with no right angles

Examples of rhombus in a Sentence

Recent Examples on the Web Myers adjusted some of the einstein hat’s edges to form two different polyiamond arrangements that follow the hat’s same tiling pattern—one shaped like a chevron and the other like a hexagon and a rhombus put together. Manon Bischoff, Scientific American, 10 Apr. 2023 Harman Kardon and Alexa available The interior continues the family resemblance: Dodge’s twin-rhombus slashes adorn the steering wheel and the 10.25-in touch screen has the latest version of Stellantis’s excellent Uconnect infotainment system. Mark Phelan, Detroit Free Press, 22 Mar. 2023 By definition, a diamond (or rhombus), in geometric terms, has four equal sides with opposite angles identical. John Shea, San Francisco Chronicle, 4 Mar. 2023 The maestro took the humble rhombus and elevated it by quilting them into velvet jackets and silk dresses, embellishing them with crystals that adorned eveningwear and as lace detailing on skirt hems. Samantha Tse, CNN, 30 Jan. 2023 Well, turns out, the love triangle has turned back into a love rhombus. Elizabeth Wagmeister, Variety, 14 Mar. 2022 Even dopey Nate or clueless Brooklynite Dan could, under duress, have picked out a cleavage-rhombus dress for fair Serena. Jessica Goldstein, Vulture, 13 Aug. 2021 Outside there’s a rotating 3-D laser projector that can cast light in the shape of a rhombus that’s up to 1,650 square feet large above the pool. Helena Madden, Robb Report, 10 May 2021 In the other two videos, Sabur uses a wooden rhombus to frame objects on the ground (a cast full-face mask) or in the sky (the planet Mars). Washington Post, 4 Nov. 2020 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'rhombus.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Latin, from Greek rhombos piece of wood whirled on a string, lozenge, from rhembein to whirl

First Known Use

circa 1560, in the meaning defined above

Time Traveler
The first known use of rhombus was circa 1560

Dictionary Entries Near rhombus

Cite this Entry

“Rhombus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rhombus. Accessed 28 Feb. 2024.

Kids Definition


rhom·​bus ˈräm-bəs How to pronounce rhombus (audio)
plural rhombuses or rhombi -ˌbī How to pronounce rhombus (audio)
: a parallelogram with all four sides of equal length and usually with no right angles

More from Merriam-Webster on rhombus

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