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
(..) Stay with me. There's not much time left in the world, Sarah. Kyle, don't go! Kyle! It's like a giant strobe light, burning right to my eyes. Somehow l can still see. Look, we know the dream's the same every night. Why do we have to... (..)1991 Terminator 2: Judgment Day