A large solid piece of hard material, especially rock, stone, or wood, typically with flat surfaces on each side. The area bounded by four streets in a town or suburb. A building, especially part of a complex, used for a particular purpose. A large quantity or allocation of things regarded as a unit. An obstacle to the normal progress or functioning of something. A flat area of something, typically a solid area of color. A pulley or system of pulleys mounted in a case. A person's head. Make the movement or flow in (a passage, pipe, road, etc.) difficult or impossible. Impress text or a design on (a book cover). Design or plan the movements of actors on a stage or movie set. Shape or reshape (a hat) using a wooden mold.