The term 'mythological giant' can be summarized by the crossword solution 'TITAN', which is a five-letter word. Titans were a race of powerful deities in Greek mythology, often associated with strength and natural forces. They were the children of the primordial gods Uranus and Gaia, and were the predecessors of the Olympian gods. The most famous TITAN was Cronus, who overthrew his father Uranus and ruled during the Golden Age of mankind.