The Collaborative International Dictionary of English v.0.48:

Query \Que"ry\, n.; pl. Queries. [L. quaere, imperative sing.
   of quaerere, quaesitum to seek or search for, to ask,
   inquire. Cf. Acquire, Conquer, Exquisite, Quest,
   Require.]
   1. A question; an inquiry to be answered or solved.
      [1913 Webster]

            I shall conclude with proposing only some queries,
            in order to a . . . search to be made by others.
                                                  --Sir I.
                                                  Newton.
      [1913 Webster]

   2. A question in the mind; a doubt; as, I have a query about
      his sincerity.
      [1913 Webster]

   3. An interrogation point [?] as the sign of a question or a
      doubt.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Query \Que"ry\, v. i.
   1. To ask questions; to make inquiry.
      [1913 Webster]

            Each prompt to query, answer, and debate. --Pope.
      [1913 Webster]

   2. To have a doubt; as, I query if he is right.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Query \Que"ry\, v. t. [imp. & p. p. Queried; p. pr. & vb. n.
   Querying.]
   1. To put questions about; to elicit by questioning; to
      inquire into; as, to query the items or the amount; to
      query the motive or the fact.
      [1913 Webster]

   2. To address questions to; to examine by questions.
      [1913 Webster]

   3. To doubt of; to regard with incredulity.
      [1913 Webster]

   4. To write " query" (qu., qy., or ?) against, as a doubtful
      spelling, or sense, in a proof. See Qu[ae]re.
      [1913 Webster]

WordNet (r) 3.0 (2006):

query
    n 1: an instance of questioning; "there was a question about my
         training"; "we made inquiries of all those who were
         present" [syn: question, inquiry, enquiry, query,
         interrogation] [ant: answer]
    v 1: pose a question [syn: question, query]

Moby Thesaurus II by Grady Ward, 1.0:

93 Moby Thesaurus words for "query":
   ask, ask a question, ask about, ask questions, awake a doubt,
   be curious, be diffident, be doubtful, be dubious, be skeptical,
   be uncertain, bone of contention, bring into question,
   burn with curiosity, call in question, catechism, catechize,
   challenge, concern, contest, cross-interrogatory, cross-question,
   debating point, demand, dig around for, dig up, dispute, distrust,
   doubt, dubiety, enquiry, examine, feeler, gape, gawk,
   greet with skepticism, half believe, harbor suspicions,
   have reservations, inquire, inquire of, inquiry, interpellate,
   interrogate, interrogation, interrogative, interrogatory,
   interview, issue, leader, leading question, make inquiry, misgive,
   mistrust, moot point, nose around for, nose out, peer,
   point at issue, point in question, problem, propose a question,
   propound a question, pump, put queries, question,
   question at issue, question mark, questioning, quiz, quodlibet,
   raise a question, require an answer, reservation, rubber,
   rubberneck, scepticism, scruple, seek, skepticism, smell a rat,
   stare, suspect, suspicion, test, throw doubt upon, topic,
   treat with reserve, trial balloon, uncertainty, vexed question,
   want to know, worm out of



The Free On-line Dictionary of Computing (30 December 2018):

query

   1.  A user's (or agent's)
   request for information, generally as a formal request to a
   database or search engine.

   SQL is the most common database query language.

   2.  question mark.

   (1997-04-09)