Shanghai is a major city in China located on the Yangtze River Delta. It is the most populous city in the world and one of the world's leading financial, commercial, and cultural centers. The term Shanghai can also refer to the Shanghai dialect, which is a variety of Wu Chinese. The crossword solution CATAPULT is an 8-letter word that refers to a device used to launch a projectile, such as a rock or shell, with great force. It is often used in warfare and has been used since ancient times.