tipper

Short definition from Wiktionary

Noun

1. 1
   Someone who tips; someone who gives a gratuity.
2. 2
   A small moustache.
3. 3
   A goods vehicle with a tippable body, used for carrying loose materials such as gravel or rubble; a tipper truck, tipper lorry, or dump truck.
4. 4
   A device for loading goods such as coal by tipping them.
5. 5
   One who gives private hints about racing or financial speculation, etc.; a tipster.
6. 6
   A cutting tool used to cut off or trim the horns of livestock; a horn tipper.
7. 7
   A person who tips or discharges a load, or dumps waste (especially illegally with the latter).
8. 8
   A kind of ale brewed with brackish water obtained from a particular well.

Proper noun

1. 1
   A surname from Middle English.