# echinus

> English word · Noun

## Definitions
1. A sea urchin.
2. The rounded moulding forming the bell of the capital of the Grecian Doric style, which is of a peculiar elastic curve.
3. The quarter-round moulding (ovolo) of the Roman Doric style.
4. The egg-and-anchor or egg-and-dart moulding, because often identified with the Roman Doric capital.

## Etymology
From Latin echīnus (“hedgehog; sea urchin”), from Ancient Greek ἐχῖνος (ekhînos).

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