Longman Dictionary of Contemporary English - structure

~1 n 1 »PARTS FORMING A WHOLE« the way in which the parts of something are connected with each other and form a whole  (the structure of the brain | sentence structure) 2 »BUILDING/BRIDGE ETC« a large building, bridge etc, especially one that has many parts  (a six-story concrete structure) 3 »PEOPLE/ORGANIZATIONS ETC« the way in which relationships between people or groups are organized in a society or in an organization  (the power structure of world politics) 4 »ORGANIZED ACTIVITY« an activity that is carefully organized and planned  (Children need some sort of structure to their day.)  (- see also career structure career1 (1)) ~2 v to arrange the different parts of something into a pattern or system in which each part is connected to the others  (You need to structure your arguments more carefully.)