What is the meaning of nest?

noun

• A structure in which animals lay eggs or give birth to their young.
• A kind of gun emplacement.
  • usage: "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.
  • usage: "a nest of thieves"
• Furniture pieces made to fit close together.

verb

• Inhabit a nest, usually after building.
  • usage: "birds are nesting outside my window every Spring"
• Fit together or fit inside.
  • usage: "nested bowls"
• Move or arrange oneself in a comfortable and cozy position.
  • usage: "We cuddled against each other to keep warm"; "The children snuggled into their sleeping bags"
  • synonyms: cuddle, snuggle, nestle, nuzzle, draw close
• Gather nests. .