Buckram/ˈbʌkrəm/ Definition 1 of 2Pro Tip 1/3Historical Use Buckram has been used historically for bookbinding due to its durability. The antique books at the auction were mostly bound in buckram. Pro Tip 2/3Clothing Support In clothing, buckram is often hidden as an internal support, particularly in hats or collars. The milliner used buckram to maintain the hat's shape. Pro Tip 3/3Not Common Fabric Buckram isn't a common material for everyday clothing but is specialized for structure. He used buckram to reinforce the costume's dramatic shoulders.