The answer to the crossword question “M*A*S*H eatery” is MESSTENT. In the popular TV show M*A*S*H, the characters often gathered in the mess tent to eat and socialize. The mess tent was a central location in the show and played a significant role in the daily lives of the characters. The term “mess tent” refers to a temporary dining facility used by military personnel in the field. It is typically a large tent or structure that provides food and a place to eat for soldiers on the go. Overall, MESSTENT is a fitting answer to the crossword question and a nod to the iconic TV show.