iliopsoas

il·i·o·pso·as
I1L1I1O1P3S1O1A1S1
US/ˌɪl.i.oʊˈsoʊ.əs/

noun

A compound muscle composed of the iliac and psoas muscles.

“Look at those iliopsoases working!”

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Meanings

nouniliopsoas (plural iliopsoases or iliopsoai)

plural iliopsoases · plural iliopsoai

  1. anatomyA compound muscle composed of the iliac and psoas muscles.

    Look at those iliopsoases working!

    1 more example

    5. Muscle tightness: Inflexibility of the hamstrings, the iliotibial tracts, and iliopsoai tends to aggravate lower backache.

    1998, Richard Irvin, Duane Iversen, Steven Roy, Sports Medicine: Prevention, Assessment, Management, and Rehabilitation of Athletic Injuries, 2nd edition, Boston: Allyn & Bacon, →ISBN, page 317

Origin

From ilio- + psoas.

Full word history & related roots →
Cite this entry
APA

iliopsoas. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/iliopsoas

MLA

“iliopsoas.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/iliopsoas. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “iliopsoas,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/iliopsoas.

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