INTERROGATION
question, inquiry, enquiry, query, interrogation
(noun) an instance of questioning; “there was a question about my training”; “we made inquiries of all those who were present”
interrogation, examination, interrogatory
(noun) formal systematic questioning
question, interrogation, interrogative, interrogative sentence
(noun) a sentence of inquiry that asks for a reply; “he asked a direct question”; “he had trouble phrasing his interrogations”
interrogation
(noun) a transmission that will trigger an answering transmission from a transponder
Source: WordNet® 3.1
Etymology
Noun
interrogation (countable and uncountable, plural interrogations)
The act of interrogating or questioning; examination by questions; inquiry.
A question put; an inquiry.
(dated) A question mark.
Usage notes
• Generally used with the preposition under: "He is under interrogation about last night's events."
Source: Wiktionary
In*ter`ro*ga"tion, n. Etym: [L. interrogatio: cf. F. interrogation.]
1. The act of interrogating or questioning; examination by questions;
inquiry.
2. A question put; an inquiry.
3. A point, mark, or sign, thus [], indicating that the sentence with
which it is connected is a question. It is used to express doubt, or
to mark a query. Called also interrogation point.
Note: In works printed in the Spanish language this mark is not only
placed at the end of an interrogative sentence, but is also placed,
inverted [as thus (Âż)], at the beginning.
Source: Webster’s Unabridged Dictionary 1913 Edition