# epiphysis

> English word · Noun · IPA /ɪˈpɪf.ɪ.sɪs/

## Definitions
1. The pineal gland.
2. The rounded end of any long bone.
3. A small upper piece of each half of an alveolus of a sea urchin.

## Etymology
From epi- + -physis.

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