tip-off
noun /ˈtɪp ɒf/
/ˈtɪp ɔːf/
(especially British English) (North American English usually tip)
(informal)- secret information that somebody gives, for example to the police, to warn them about an illegal activity that is going to happen or has happened
- The man was arrested after an anonymous tip-off.
- Customs officers had received a tip-off about a shipment of cocaine.
- He was arrested after a tip-off to police.