Any creature or thing of gigantic size.
Somebody or something very greatly admired and respected.
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.
A whale (Physeter catodon, syn. Physeter macrocephalus), the largest of the toothed whales.
Any whale in the superfamily Physeteroidea, which also includes the small whales of genus Kogia.