Nest definition

(1) A kind of gun emplacement

"A machine-gun nest"

"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

"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

"We cuddled against each other to keep warm"

"The children snuggled into their sleeping bags"

(8) Fit together or fit inside

"Nested bowls"

(9) Inhabit a nest, usually after building

"Birds are nesting outside my window every Spring"