tipper
/ˈtɪpər/
noun
- A person who gives a small amount of extra money to someone for a service, such as a waiter or driver.
- Some people are bad tippers and never leave anything extra.
- She is a generous tipper and always leaves 20% at restaurants.
- The taxi driver was happy to have a good tipper as a passenger.
- A person who gives secret information, especially to the police or in gambling.
- The detective protected the identity of the tipper to keep them safe.
- In horse racing, a reliable tipper can help you pick the winner.
- The tipper called the police with details about the stolen car.
- A truck or container that can be tilted to empty its load.
- The construction site used a tipper to dump the gravel.
- A tipper lorry unloaded the sand in minutes.
- The tipper was raised to pour the cement into the mixer.