RhymeZone: wai definitions

Definitions of Wai:

name: A female given name (common: 1 in 50000 females; popularity rank in the U.S.: #2150)
name: A surname (very rare: popularity rank in the U.S.: #32607)

noun: A Thai greeting wherein the palms are brought together in front of the face or chest, sometimes accompanied with a bow.
adverb: (Internet slang) why (a purposeful misspelling)
noun: (Web) Initialism of Web Accessibility Initiative (effort to improve the accessibility of the World Wide Web for people with disabilities)

(Definitions from Wiktionary)