rhomboid

noun
rhom·boid | \ˈräm-ˌbȯid \

Definition of rhomboid 

(Entry 1 of 2)

: a parallelogram with no right angles and with adjacent sides of unequal length

rhomboid

adjective
rhom·boid | \ˈräm-ˌbȯid \
variants: or rhomboidal \räm-ˈbȯi-dᵊl \

Definition of rhomboid (Entry 2 of 2)

: shaped somewhat like a rhombus or rhomboid

Illustration of rhomboid

Illustration of rhomboid

Noun

In the meaning defined above

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Did You Know?

Rhomboids, like triangles, may take various different shapes, but they always look like a lopsided diamond or rectangle. As both a noun and an adjective, rhomboid can be applied to anything with those shapes, such as certain muscles of the upper back when viewed from behind. Whenever you hear about rhomboid exercises, rhomboid strain, or rhomboid pain, it involves those muscles, which attach your shoulder blades to your spine and can be strained by carrying a heavy backpack, serving a tennis ball, or just slumping in your chair in front of a computer all day.

Examples of rhomboid in a Sentence

Recent Examples on the Web: Noun

The shoulder stabilizer muscles, located in the upper back area, include the trapezius, serratus anterior, and the rhomboids. Jenny Mccoy, SELF, "Strengthen Your Shoulders and Core With This Plank Workout From Jennifer Garner’s Trainer," 30 Apr. 2018 Phil for Phil Right-hander Phil Maton (lat) also rejoined the Padres from his rehab assignment at Double-A San Antonio as right-hander Phil Hughes hit the disabled list with a right rhomboid strain. Jeff Sanders, sandiegouniontribune.com, "Tyson Ross reaching back for more when he needs it," 22 June 2018 Arranged in an unruly way calculated to appeal to kids’ anarchic tastes, the cards read as diamonds and rhomboids, nicely unifying the room’s design. Long-shot theory: Perhaps Ms.... Dale Hrabi, WSJ, "A Debate Over a Children’s Study Nook," 11 May 2017

Recent Examples on the Web: Adjective

McIlroy said the injury is to a rhomboid muscle on the left side of his body. Rick Bonnell, charlotteobserver, "Is Rory McIlroy done for the year? Injury causing spasms, numbness," 13 Aug. 2017 McIlroy, 28, punctuated a quiet week with a 68, his first sub-70 round of the tournament, and then said a lingering rib injury — a spasming left rhomboid muscle, to be precise — could sideline him indefinitely. Karen Crouse, New York Times, "Justin Thomas Wins the P.G.A. Championship, His First Major Title," 13 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rhomboid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of rhomboid

Noun

1570, in the meaning defined above

Adjective

1681, in the meaning defined above

History and Etymology for rhomboid

Noun

Middle French rhomboïde, from Latin rhomboides, from Greek rhomboeidēs resembling a rhombus, from rhombos

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Time Traveler for rhomboid

The first known use of rhomboid was in 1570

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More Definitions for rhomboid

rhomboid

noun

English Language Learners Definition of rhomboid

geometry : a shape with four sides where only the opposite sides and angles are equal

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