["Definition of what pronoun from the Oxford Advanced Learner's Dictionary. used in questions to ask for particular information about somebody/something. What is your name? What (= what job) does he", "(used interrogatively as a request for specific information). What is the matter? (used interrogatively to inquire about the character, occupation, etc., of a person). What does he do? (used interrogatively to", "Guess what is often used to tell someone that you have surprising news. Guess what happened to me today! “ Guess what!” “What?” “I bought a new car.” I'll tell you what I'm going to do: I'm going to let"]