A query is a question, or the search for a piece of information. The Latin root quaere means "to ask" and it's the basis of the words inquiry, question, quest, request, and query., A query is a question, especially one that you ask an organization, publication, or expert., Definition of query noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more., v.t. to ask or inquire about: No one queried his presence. to question as doubtful or obscure: to query a statement. Printing to mark (a manuscript, proof sheet, etc.) with a query. to ask questions of., query meaning, definition, what is query: a question that you ask to get informati: Learn more., (computing, databases) A set of instructions passed to a database. The database admin switched on query logging for debugging purposes..