Pronunciation: [ˌɪlɪˌɒsɪˈatɪk] (IPA) 
The word "iliosciatic" is often misspelled as "ilio-sciatic". However, the correct spelling is without the hyphen. This word is composed of two root words: ilio and sciatic. The first syllable, "il-" comes from the ilium bone in the pelvis. The second syllable, "sciatic," refers to the sciatic nerve that runs through the pelvis and down the leg. The correct IPA transcription for this word is /ɪliəʊsaɪˈætɪk/.
I couldn't find a specific definition for the term "iliosciatic" in any reputable dictionary or medical source. However, based on its etymology, we can break down the word "iliosciatic" into its constituent parts to infer a possible definition.
The term seems to be comprised of two root words: "ilio-" and "sciatic." "Ilio-" is derived from the Latin word "iliacus," which refers to the ilium, the uppermost and largest bone of the hip. The "sciatic" part may be associated with the sciatic nerve, the longest and thickest nerve in the human body that extends from the lower back through the hips and down towards the legs.
Considering the roots of "iliosciatic," it is plausible to assume that it could relate to something involving both the iliac bone and the sciatic nerve. However, without a more specific context or established usage of the term, it is difficult to provide an accurate definition.
It is important to note that the lack of a recognized definition suggests that "iliosciatic" may not be commonly used or acknowledged in medical or scientific literature. Thus, its meaning may be context-specific, or it might be a less prevalent term within a localized or specialized field of study.
Relating to the ilium and the ischium.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
