# pièce de conviction

> English word · Noun

## Definitions
1. An incriminating exhibit shown as evidence in a criminal case.

## Etymology
Borrowed from French pièce de conviction; first use appeared c. 1840.

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