# TSB

> English word · Proper noun · frequency rank #54,543

## Definitions
1. Initialism of Transportation Safety Board (“Canada”).
2. Initialism of Transport Safety Board (“Japan”).
3. Initialism of Trustee Savings Bank.

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