sacroiliac

S1A1C3R1O1I1L1I1A1C3
/ˌsækɹoʊˈɪliˌæk/

adjective

Relating to the sacrum and ilium, or to the region of the lower back where they are located.

Similar
UncommonScrabble 14

Meanings

adjectivesacroiliac (not comparable)
  1. not comparableanatomyRelating to the sacrum and ilium, or to the region of the lower back where they are located.

    Synonyms: iliosacral

nounsacroiliac (plural sacroiliacs)

plural sacroiliacs

  1. anatomyThe region of the sacrum and the ilium in the lower back.

Synonyms & antonyms

adjectiveRelating to the sacrum and ilium, or to the region of the lower back where they are located.

Similar

Origin

  1. Englishsacro-
  2. Proto-Indo-European*welH-
  3. Ancient Greekεἴλω (eílō)
  4. Ancient Greekεἰλέω (eiléō)
  5. Ancient Greekεἰλεός (eileós)der.?
  6. Latinīle
  7. Latinīliacu
  8. Frenchiliaque
  9. Englishiliac
  10. Englishsacroiliac

From sacro- + iliac.

Full word history & related roots →

Translations

Czech sakroiliakální
  • sakroiliakálnírelating to the sacrum and ilium
Greek οσφυολαγόνιος
  • οσφυολαγόνιος (osfyolagónios)relating to the sacrum and ilium
Spanish sacroilíaco
  • sacroilíacorelating to the sacrum and ilium
Cite this entry
APA

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

MLA

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

Chicago

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

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