noun
A question, an inquiry (US), an enquiry (UK).
A question mark.
(computing, databases) A set of instructions passed to a database.
(publishing) Ellipsis of query letter.
verb
(intransitive) To ask a question.
(transitive) To ask, inquire.
(transitive) To question or call into doubt.
(computing, databases) To pass a set of instructions to a database to retrieve information from it.
(transitive, Internet) To send a private message to (a user on IRC).
(intransitive, publishing) To send out a query letter.