WordWeb Online

1. A sentence of inquiry that asks for a reply
   "he had trouble phrasing his interrogations";
   - question, interrogative, interrogative sentence, query
    
2. A transmission that will trigger an answering transmission from a transponder
    
3. Formal systematic questioning
   - examination, interrogatory
    
4. An instance of questioning
   - question, inquiry, enquiry [Brit, Cdn], query

Derived forms: interrogations

Type of: inquiring, questioning, sentence, transmission

Encyclopedia: Interrogation