The term 'Genesis Tower' is a reference to the Biblical story of the Tower of BABEL. The crossword solution for this term is 'BABEL, ' which is a five-letter word. BABEL is a city mentioned in the Bible, and it is associated with the story of the Tower of BABEL, which is a tower that was built by humans in an attempt to reach the heavens. The tower was destroyed by God, who then confused the languages of the people who were building it. This story is found in the book of Genesis in the Bible.