What is the Origin of the Word "Tip", as in Leaving a Tip
Gratuity - Wikipedia
A tip on the origin of the word "tip'
TIP definition and meaning | Collins English Dictionary
TIPS: To Insure Prompt Service (and Other Useful Acronyms)
WinWorld: Microsoft Word 6 for Windows - Tips
TIP definition and meaning | Collins English Dictionary
Tip Definition & Meaning - Merriam-Webster
The History of Tipping: Past, Present + Future | 7shifts
google-define-tip-4 - Blog myposeo
Origin of Gratuity "Tip" – A Way with Words, a fun radio show and podcast about language
History of Tipping: 5 Origin Factors in Restaurants and Bars
What is the definition of the word 'tip' in the context of dining out with friends or family at an expensive restaurant, where everyone pays his/her own share before leaving? - Quora
The History of Tipping: Past, Present + Future | 7shifts