0 to put the parts of something in the correct places and join them to each other:
1 said after a phrase that refers to a group of people or things to show that you are thinking of them as a group rather than separately:
The population of the US is bigger than that of Britain, France, and Germany put together.
2 to prepare a piece of work by organizing several ideas and suggestions:
If you put the pieces of wood together, you can make a fort.
We put the tables together so that everyone could sit together.