what
1. [ [Undefined_variable] ] determiner, asking for a noun
Examples:

"what is your name?"

2. [ interjection ] interjection
Synonyms: huh
3. [ [Undefined_variable] ] pronoun
Synonyms: that
Similar spelling:   wheat
  whit
  whet
  Whyte
  Whitt
  White
  Whitty
  whitey