What does the bean in chicago mean?

Chicago Bean History: The Inside Story behind Cloud Gate In less than a decade, Cloud Gate, known by most simply as “the Bean,” has vaulted into one of Chicago’s top attractions. The final product, a gleaming steel mirror that bends the Chicago sky and skyline around its surface, had a long path to fruition, from selection to development. read more

Kapoor attended the celebration, while local jazz trumpeter and bandleader Orbert Davis and the Chicago Jazz Philharmonic played "Fanfare for Cloud Gate", which Davis composed. The public took an instant liking to the sculpture, affectionately referring to it as "The Bean". read more