# sourcebook

> English word · Noun · frequency rank #50,812

## Definitions
1. A book consisting of a collection of writings on a particular subject.
2. A publication intended to supplement the core materials of a roleplaying game.

## Etymology
From source + book.

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