• synonyms


[flek-shuh n]
  1. Anatomy.
    1. the act of bending a limb.
    2. the position that a limb assumes when it is bent.
  2. Chiefly British. flection(defs 1–3).
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Origin of flexion

1595–1605; < Latin flexiōn- (stem of flexiō) a bending, turning. See flex1, -ion
Related formsflex·ion·al, adjectiveflex·ion·less, adjectivehy·per·flex·ion, nouno·ver·flex·ion, nounsu·per·flex·ion, noun


[flek-shuh n]
  1. the act of bending.
  2. the state of being bent.
  3. a bend; bent part.
  4. Anatomy. flexion.
  5. Grammar. inflection(def 2).
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Also especially British, flex·ion (for defs 1–3).

Origin of flection

< Latin flexiōn- (stem of flexiō) a bending, turning, change. See flex1, -ion
Related formsflec·tion·al, adjectiveflec·tion·less, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for flexions

Historical Examples

  • I know the whole 'Bauchet' system, and can teach a horse his 'flexions,' and the rest of it.

    One Of Them

    Charles James Lever

  • It is thus also with several grammatical forms and flexions.

    English Past and Present

    Richard Chevenix Trench

  • The importance of these flexions of the jaw is easily understood.

  • Flexions of the jaw to the right and left, using the curb-bit.

  • Barclay's vocabulary consists of a list of words pure and simple, with no indication of gender or flexions.

British Dictionary definitions for flexions


  1. the act of bending or the state of being bent
  2. something bent; bend
  3. grammar a less common word for inflection
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See also flexion
Derived Formsflectional, adjectiveflectionless, adjective

Word Origin

C17: from Latin flexiō a bending, from flectere to curve, bow


  1. the act of bending a joint or limb
  2. the condition of the joint or limb so bent
  3. a variant spelling of flection
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Derived Formsflexional, adjectiveflexionless, adjective
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 flexions



c.1600, from Latin flexionem (nominative flexio) "a bending, swaying; bend, turn, curve," noun of action from past participle stem of flectere "to bend" (see flexible).

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Online Etymology Dictionary, © 2010 Douglas Harper

flexions in Medicine


  1. The act of bending a joint or limb in the body by the action of flexors.
  2. The condition of being flexed or bent.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.