The act of using or adapting as an instrument; a series or combination of instruments; means; agency.
- The application or use of instruments.
- Music The study and practice of arranging music for instruments.
- Music The arrangement or orchestration resulting from such practice.
- Music A list of instruments used in an orchestration.
- The study, development, and manufacture of instruments, as for scientific or industrial use.
- Instruments for a specific purpose.