---
tag: RFNXK3ZX82
kind: concept
name: Meagre
sources:
  - wikipedia: en:43580500@r1360947732
    locator: Glossary of set theory, section M
    note: adopted
    mention: wikipedia://en/43580500#OTRL
    sections: [Summary]
inventory: [7JY4YZAXQ3]
---

## Summary

A meager set is one that is the union of a countable number of nowhere-dense sets. Also called a set of first category.