[nest]
Definition:
1. A structure in which animals lay eggs or give birth to their young.
2. A kind of gun emplacement.
3. A cosy or secluded retreat.
4. A gang of people (criminals or spies or terrorists) assembled in one locality.
5. Furniture pieces made to fit close together.
6. Inhabit a nest, usually after building.
7. Fit together or fit inside.