T-wall
n.— «I pass the ruins of police headquarters, blown up by an Al Qaeda in Iraq suicide truck bomber in May 2007, and enter a corridor lined by eight-foot-high slabs of concrete—”Texas barriers” or “T-walls,” in U.S. military parlance.» —“ Samarra Rises” by Joshua Hammer Smithsonian January, 2009. (source: Double-Tongued Dictionary)
Further reading
Ever wonder what medieval England looked and sounded like? In Old English, the word hord meant “treasure” and your wordhord was the treasure of words locked up inside you. A delightful new book uses the language of that period to create...
A firefighter named Steve in Newport News, Virginia, wonders why in his line of work, and for some police, certain additional kinds of days off after long unbroken shifts are called Kelly days, Kelly shifts, or Kelly time. The term most likely comes...