sca·​lene | \ ˈskā-ˌlēn How to pronounce scalene (audio) , skā-ˈlēn \

Definition of scalene

of a triangle
: having the three sides of unequal length — see triangle illustration

Examples of scalene in a Sentence

Recent Examples on the Web The third leg of the scalene triangle is the capped I-91. Tom Condon,, 19 Mar. 2021 There's enough punch up and down the tach to regularly exercise the traction control as well as your scalene muscles. Scott Oldham, Car and Driver, 2 Oct. 2020 The elliptical motion of those legs, combined with its scalene triangle body shape, given the machine inherent stability. David Grossman, Popular Mechanics, 3 May 2017 Using an exercise from the DAoM book Games and Puzzles, Strogatz handed each of his students a pair of scissors, as well as a piece of paper with a scalene triangle drawn in the middle of it. Jessica Lahey, The Atlantic, 6 Oct. 2014

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

First Known Use of scalene

1734, in the meaning defined above

History and Etymology for scalene

Late Latin scalenus, from Greek skalēnos, literally, uneven; perhaps akin to Greek skolios crooked, skelos leg — more at isosceles

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Time Traveler for scalene

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The first known use of scalene was in 1734

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Dictionary Entries Near scalene

scale moss



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Cite this Entry

“Scalene.” Dictionary, Merriam-Webster, Accessed 16 Aug. 2022.

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More Definitions for scalene


sca·​lene | \ ˈskā-ˌlēn, skā-ˈ How to pronounce scalene (audio) \

Medical Definition of scalene

 (Entry 1 of 2)

: of, relating to, or being a scalenus muscle



Medical Definition of scalene (Entry 2 of 2)

: scalenus

called also scalene muscle


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