# southbridge

> English word · Noun · frequency rank #93,173

## Definitions
1. A secondary microchip connected to the CPU only through the northbridge.

## Etymology
From south + bridge.

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