Big, gigantic. It can mean cyclops, titan, giant, huge, immense, huge. Very large person or character with a lot of strength. Samson, hercules. Effigy or large statue.
colossus-refers to the expression : statue greater than life size, usually of a pharaoh or a divinity; usually located on the portico of a temple or pyramid, officiated as an intermediary between men and the gods.