From Planet X
1. Something put into a system or expended in its operation to achieve output or a result, especially: 2. Energy, work, or power used to drive a machine. 3. Current, electromotive force, or power supplied to an electric circuit, network, or device. 4. Information put into a communications system for transmission or into a computer system for processing. 5. A position, terminal, or station at which input enters a system. 6. Any of the items, including materials, equipment, and funds, required for production. 7. a steady input of fuel. 8. An amount put in. 9. a discussion with input from all members of the group. 10. Information in general. 11. To enter (data or a program) into a computer.