tipper

noun
1
a person who gives somebody a tip (= a small amount of extra money to thank them for doing something as part of their job) of the size mentioned
انعام دهنده
2
a lorry with a container part that can be moved into a sloping position so that its load can slide off at the back
کامیون کمپرسی, کامیون خودتخلیه‌کننده, کامیون تخلیه بار