colossus
Concise Oxford English Dictionary © 2008 Oxford University Press:
colossus /kəˈlɒsəs/
▶noun (pl. colossi /-sʌɪ/ or colossuses) a person or thing of enormous size, in particular a statue that is much bigger than life size.
– origin ME: via L. from Gk kolossos (applied by Herodotus to the statues of Egyptian temples).
'colossus' also found in these Oxford entries:

