To ask a question about something, especially in order to express one's doubts about it or to check its validity or accuracy. She queried the accuracy of the report before submitting it to her manager.
To put a question or questions to someone. The journalist queried the politician about his recent policy changes.
To express doubt or uncertainty about something. He queried whether the decision was the right one for the company.
To retrieve or extract data from a database by means of a query. The application queries the database every hour for new records.