# Horsehead Nebula

> English word · Proper noun

## Definitions
1. A small dark nebula in the constellation Orion.

## Etymology
From its resemblance to the head of a horse.

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