colossus

noun3

1. •
   A statue of gigantic size. The name was especially applied to certain famous statues in antiquity, as the Colossus of Nero in Rome and the Colossus of Rhodes, one of the Seven Wonders of the Ancient World.
2. •
   Any creature or thing of gigantic size.

   • What I love about the colossi is that they actually feel colossal : they move ponderously around, sending out tremours with each step; their ancient husks richly detailed with dirt and plant life. — 2010
3. •
   (figurative) Somebody or something very greatly admired and respected.