1. [noun] The act of inquiring; a seeking of information by asking questions; interrogation; a question or questioning.
2. [noun] Search for truth, information, or knowledge; examination of facts or principles; research; investigation; as, physical inquiries.
3. [noun] A search for knowledge; 'their pottery deserves more research than it has received'.
4. [noun] An instance of questioning; 'there was a question about my training'; 'we made inquiries of all those who were present'.
5. [noun] A systematic investigation of a matter of public interest.