The company has become a 'giant' of the automotive industry. [=it has become very large and successful]
a big baby who grew up to be a 'giant' of a man [=a very large man]
a 'giant' photograph/machine/wrestler
(..) - I have no idea. This is weird, Mulder. Very weird. Why would anyone grow corn in the middle of the desert? Those could be giant Jiffy Pop poppers. It's cool in here. The temperature's being regulated. For the purpose of what? I think we're on top of a larger structure. (..)1998 The X Files