You searched for: “lair
lair, layer
lair (LAIR) (noun)
The hiding or resting place for some animals in the wild: The fox cubs played in front of their lair while their mother watched them.
layer (LAY uhr) (noun)
1. An individual or animal that places items carefully: Todd was a bricklayer by profession.

That red hen is a good layer.

2. A visible stratum or the overlapping of materials: At the point where the road was cut, Randy could see the layer of sandstone between the layers of soft clay.

The lair of the foxes was lined with several different materials; the last layer was soft and comfortable for the new fox cubs.