# side-post

> English word · Noun

## Definitions
1. A message sent privately to a single member of a listserv.

## Etymology
Probably analogous to top-post and bottom-post.

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