# ischium

> English word · Noun · IPA /ˈɪskɪəm/

## Definitions
1. The lowest of the three bones that make up each side of the pelvis.

## Etymology
17th century, from Latin ischium, from Ancient Greek ἰσχίον (iskhíon, “hip joint”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ischium