mouchard

Borrowed from French mouchard, from mouche (“a fly”).

• (UK) IPA^(key): /ˈmuːʃɑː/
• (US) IPA^(key): /muˈʃɑɹd/

mouchard (plural mouchards)

1. An undercover investigator; a police spy, especially in a French-speaking country.
2. (nautical) An inverted compass hanging above the captain's bed

From mouche + -ard.

• IPA^(key): /muʃaʁ/
• Rhymes: -aʁ

mouchard m (plural mouchards)

1. snitch, grass, tell-tale (police informant)
2. mouchard
3. hidden microphone
4. spyhole, peephole
5. tachograph
6. (computing) spyware (piece of spyware)
7. (aviation) spyplane
8. (aviation) black box, flight recorder

• mouchardage
• moucharder

• (police informant): indic
• (snitch, tell-tale): cafteur, cafard
• (peephole): judas
• (spyware): espiogiciel
• (spyplane): avion-espion
• (black box): boîte noire
• (flight recorder): enregistreur de vol

• “mouchard” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).