# fat choy

> English word · Noun

## Definitions
1. a blue-green alga (Nostoc flagelliforme) used as a vegetable in Chinese cooking

## Etymology
From Cantonese 髮菜 /发菜 (faat³ coi³).

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