a) The place inside an
airship or boat where goods are
stored.
b) If you don't know what a
cargo cult is, you probably misheard it as cargo hold, causing you to look up a definition.
Flight attendant: Hey, fox
wizard, we'll pay you to defend the cargo hold in the back of
the zeppelin.
Fox wizard: Sure. It's not like I have anything else to be doing back here.