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
(..) The Night's Watch has defended her for thousands of years. And in all those centuries, we have never sealed the tunnel. Have you ever seen a giant, Ser Alliser? The tunnel's gate won't stop them. The bars on those gates are four inches thick. Cold-rolled steel. (..)2014 TvShow: Game of Thrones Title: Mockingbird Season: 4 Episode 7