bandit barrier
n.— «Kelly said there needs to be a return to the measures put in place in 2003, such as the installation of the bullet-resistant glass, better known as “bandit barriers.”» —“NYPD’s Kelly: Banks need more protection” by Rocco Parascandola Newsday (Long Island, New York) Jan. 14, 2009. (source: Double-Tongued Dictionary)