# cassideous

> English word · Adjective

## Definitions
1. Shaped like a helmet; applied to a corolla with a broad, helmet-shaped upper petal, as in aconite.

## Etymology
Latin cassis meaning "helmet".

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