rhombus
noun
rhom·bus ˈräm-bəs 
plural rhombuses or rhombi ˈräm-ˌbī
-ˌbē
: a parallelogram with four equal sides and sometimes one with no right angles
Example Sentences
Recent Examples on the Web 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 Each arches outward over the dash with more concentric rhombuses directing the airflow. Clifford Atiyeh, Car and Driver, 17 Feb. 2020 Would not the areas of the mini-triangle and the area of the rhombus adjacent to it, combined, make for another triangle? Andrew Daniels, Popular Mechanics, 31 Jan. 2020 The building’s shape was then closer to a rhombus, according to Valentine. Yvette Orozco, Houston Chronicle, 5 Sep. 2019 For more than a decade, Australian engineers working under the name Rotary Engine Development Agency have developed a new design of rotary engine that is based on a deforming rhombus rather than the conventional triangular rotors. Matthew Jancer, Popular Mechanics, 18 Jan. 2019 See More
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 Each arches outward over the dash with more concentric rhombuses directing the airflow. Clifford Atiyeh, Car and Driver, 17 Feb. 2020 Would not the areas of the mini-triangle and the area of the rhombus adjacent to it, combined, make for another triangle? Andrew Daniels, Popular Mechanics, 31 Jan. 2020 The building’s shape was then closer to a rhombus, according to Valentine. Yvette Orozco, Houston Chronicle, 5 Sep. 2019 For more than a decade, Australian engineers working under the name Rotary Engine Development Agency have developed a new design of rotary engine that is based on a deforming rhombus rather than the conventional triangular rotors. Matthew Jancer, Popular Mechanics, 18 Jan. 2019 See More Word History
Etymology
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
Kids Definition
rhombus
noun
rhom·bus ˈräm-bəs
: a parallelogram whose sides are equal in length
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