il freno

restraint, control, brake

ˈf r e . n o
fren to brake + o First-person present / masculine singular
noun · masculine Rare #37,035
restraint, control Often used in the expression *tenere a freno* (“to keep in check”).
IT: Devi tenere a freno la rabbia.
EN: You have to keep your anger in check.
brake
IT: La macchina ha un freno nuovo.
EN: The car has a new brake.
Declension of freno
frenofreni

Faccio fatica a tenere la lingua a freno.

I'm having a hard time holding my tongue.

— L'agente segreto (2025)

Freno ad aria, spento.

Air brake, off.

— Paddington 2 (2017)

Questa macchina ha i dischi a freno.

This car has brake discs.

Quando dovrete fermarvi, tirate la leva del freno, capito?

When you need to stop, pull the brake lever, okay?

— Train to Busan (2016)

Tenne la lingua a freno durante la riunione.

He held his tongue during the meeting.

No, niente freno.

No, no brakes.

— Nessuno lo sa (2004)

Sounds similar to