# backsack

> English word · Noun · IPA /ˈbækˌsæk/

## Definitions
1. A backpack.
2. The back of the testicles.

## Etymology
Compound of back + sack, possibly influenced by backpack.

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