what what /wʌt/

interjection

1. () [Informal] Phrases used to seek clarification or repetition due to misunderstanding.  ( pardon , sorry , come again [Informal] , eh [Informal] , excuse me , huh [Informal] , I beg your pardon , what [Informal] )
   Phrases used to seek clarification or repetition due to misunderstanding.
   

pronoun

1. () Referring to an unspecified thing or concept.  ( whatever , what )
   Referring to an unspecified thing or concept.