Collins COBUILD Advanced Learner's English Dictionary - pillared

A pillared building is a building that is supported by pillars. ADJ: usu ADJ n PILLBOX also pill box (pillboxes) 1. A pillbox is a small tin or box in which you can keep pills. N-COUNT 2. A pillbox is a small building made of concrete and is used to defend a place. N-COUNT 3. A pillbox or a pillbox hat is a small round hat for a woman. N-COUNT