# metatable

> English word · Noun

## Definitions
1. A table (of key-value pairs) associated with another object, which uses the functions (or other data) it contains to define the behaviour of that object under certain conditions.

## Etymology
From meta- + table.

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