This answer has 3 letters and comes to us from the daily newspaper, the Metro crossword puzzle.
Here is the correct answer for the "Architect's wing" crossword clue.
After searching the internet using the following sites, www.google.com, and www.ask.com here is what I found.
If this is the correct answer, please click on like button! - ELL
If need help with another clue, just use our search at the top!