noun
1. a question or inquiry.
He did not respond to his mother’s query about his personal life.
The day after they placed the help-wanted ad, they received over forty queries.
2. a doubt or question that cannot be resolved in one’s mind; a mental reservation.
3. a notation, as on a manuscript, that indicates a question to be answered.
4. in computing, a request for information submitted to a search engine or database using a computer language or human language