Techhub refers to a location or a physical space that serves as a hub or gathering place for technology startups, entrepreneurs, and like-minded individuals. It is typically associated with areas or regions that have a thriving tech industry, such as Silicon Valley in California.
Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: Silicon Valley, e.g.. Explanations are generated by AI and may be inaccurate.