# ballon d'essai

> English word · Noun · IPA /ˌbalɒ̃ dɛˈseɪ/

## Definitions
1. A policy put forward to test reactions; something designed to test the waters, an experimental measure.

## Etymology
Borrowed from French ballon d'essai.

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