Source: The Collaborative International Dictionary of English v.0.48
payload \pay"load`\ (p[=a]"l[=o]d`) n.
The part of a missile or torpedo that carries the explosive
charge.
Syn: warhead, load.
[WordNet 1.5]
2. The goods carried by a large vehicle.
Syn: cargo, lading, freight, load, loading, shipment,
consignment.
[WordNet 1.5]
payload
n 1: the front part of a guided missile or rocket or torpedo that
carries the nuclear or explosive charge or the chemical
or biological agents [syn: warhead, load]
2: goods carried by a large vehicle [syn: cargo, lading, freight,
load, loading, shipment, consignment]