Part of the Hip Bone Between the Ilium and Pubis

This page is the CodyCross answer for the clue below from Taking Care of Our Planet, Group 1569, Puzzle 1 (Protect the Environment).

Question is: Part of the Hip Bone Between the Ilium and Pubis

and the answer is: ISCHIUM

Word Meaning:

ISCHIUM — (anatomy) The lowest of the three bones that make up each side of the pelvis.

Definitions from Wiktionary.