Sacroiliac

//ˌsækɹoʊˈɪliˌæk// adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The region of the sacrum and the ilium in the lower back.
Adjective
  1. 1
    Relating to the sacrum and ilium, or to the region of the lower back where they are located. not-comparable

Synonyms

All synonyms
iliosacraliliosacral

Etymology

From sacro- + iliac.

Related phrases

sacroiliac joint

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.