# urachus

> English word · Noun

## Definitions
1. A band of fibrous tissue extending from the bladder to the umbilicus.

## Etymology
From New Latin ūrachus, from Ancient Greek οὐραχός (ourakhós).

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