tipper

US /ˈtɪp.ɚ/
UK /ˈtɪp.ɚ/
"tipper" picture
1.

a person who gives a tip (a small sum of money given to someone for a service)

:
The waiter appreciated the generous tipper.
She's a good tipper, always leaving extra for the delivery drivers.
2.

a truck or trailer that has a body that can be tilted to empty its contents; a dump truck

:
The construction site had several large tippers moving earth.
The tipper unloaded the gravel with ease.