According to Merriam-Webster, a diner is "a typically small, informal, and inexpensive restaurant that has an extensive menu, ...

Elon Musk's Tesla Inc. (NASDAQ: TSLA) diner, which opened to much fanfare, has made significant changes to its menu and ...

Diners are a classic American staple that can be found all across the country, but what actually counts as a diner? Here's what you need to know.