nest
noun
a structure in which animals lay eggs or give birth to their young
a kind of gun emplacement
“a machine-gun nest”
“a nest of snipers”
a cosy or secluded retreat
a gang of people (criminals or spies or terrorists) assembled in one locality
“a nest of thieves”
furniture pieces made to fit close together
verb
inhabit a nest, usually after building
“birds are nesting outside my window every Spring”
fit together or fit inside
“nested bowls”
move or arrange oneself in a comfortable and cozy position
“We cuddled against each other to keep warm”
“The children snuggled into their sleeping bags”
gather nests
Source: WordNet 3.1, Princeton University