Read the dictionary definition of nest. All definitions for this word.
1. a kind of gun emplacement
1. a machine-gun nest
2. a nest of snipers
2. furniture pieces made to fit close together
3. a gang of people (criminals or spies or terrorists) assembled in one locality
1. a nest of thieves
4. a cosy or secluded retreat
5. a structure in which animals lay eggs or give birth to their young
6. gather nests
7. move or arrange oneself in a comfortable and cozy position
1. We cuddled against each other to keep warm
2. The children snuggled into their sleeping bags
8. fit together or fit inside
1. nested bowls
9. inhabit a nest, usually after building
1. birds are nesting outside my window every Spring