psoas

pso·as
P3S1O1A1S1
UK/ˈsəʊ.əs/US/ˈsoʊ.əs/US/ˈsoʊ.æs/

noun

Either of two muscles, the psoas major and psoas minor, involved in flexion of the trunk.

OriginAncient Greek ψόᾱς →
UncommonScrabble 7
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Meanings

nounpsoas (plural psoae or psoai or psoas or psoases)

plural psoae · plural psoai · plural psoases

  1. anatomyEither of two muscles, the psoas major and psoas minor, involved in flexion of the trunk.

Origin

  1. Ancient Greekψόᾱς“of the muscle of the loins”
  2. Englishpsoas

From Ancient Greek ψόᾱς (psóās, “of the muscle of the loins”), genitive singular of ψόα (psóa).

More words from Ancient Greek

Full word history & related roots →

Translations

Ancient Greek ψόα
  • ψόα (psóa)muscle
Czech bederní sval
  • bederní svalmuscle
Finnish lannelihas
  • lannelihasmuscle
Latin mūsculus psoās
  • mūsculus psoāsmuscle
Spanish psoas
  • psoasmuscle

Rhymes & wordplay

Anagrams

PasosPosas
Cite this entry
APA

psoas. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/psoas

MLA

“psoas.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/psoas. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “psoas,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/psoas.

Source: psoas on Wiktionary, CC BY-SA 4.0.