Definition: The word "atlanta" and the word "unit" are used in the definition of the word "atlanta united vs new yoyork city". <0x0A><0x0A>In short, "atlanta united" means that a group of people or countries united to form a powerful alliance. On the other hand, "new york city" refers to the city of New York in the United States. <0x0A><0x0A>The definition is as follows:<0x0A><0x0A>- Atlatla (Spanish) - united by common purpose and power; new york city (English) - the city of New York in the United States.