payload

noun

1. 1

   That part of a cargo that produces revenue.

2. 2

   The total weight of passengers, crew, equipment and cargo carried by an aircraft or spacecraft.

3. 3

   That part of a rocket, missile, propelled stinger or torpedo that is not concerned with propulsion or guidance, such as a warhead or satellite.

4. 4

   The functional part of a computer virus or another type of malware program, rather than the part that spreads it.

5. 5

   (communication) The actual data in a data stream.