Definition of "eat at" []

• Become ground down or deteriorate (verb)

WordNet. Princeton University. 2010.

• "Defence was, for all practical purposes, a self-contained city for the elite socialites to shop at the trendiest stores, eat at the best restaurants, and have their hair and makeup done at beauty salons owned by celebrities featured on Pakistan Television."
• "It is worth noting that we had at least fifty dinners out together over a five-year period, but only that fateful night did we eat at that Chinese restaurant, or any Chinese restaurant for that manner."
• "I should have known it was too dangerous to write the letter to Dr. Mullin, to go to Chicago with Toby, even to eat at the Star__t diner."