1.The bed or receptacle prepared by a fowl for holding her eggs and for hatching and rearing her young. "The birds of the air have nests."
2.Hence: The place in which the eggs of other animals, as insects, turtles, etc., are laid and hatched; a snug place in which young animals are reared.
3.A snug, comfortable, or cozy residence or situation; a retreat, or place of habitual resort; hence, those who occupy a nest, frequent a haunt, or are associated in the same pursuit; as, a nest of traitors; a nest of bugs. "A little cottage, like some poor man's nest."
4.(Geol.) An aggregated mass of any ore or mineral, in an isolated state, within a rock.
5.A collection of boxes, cases, or the like, of graduated size, each put within the one next larger.
6.(Mech.) A compact group of pulleys, gears, springs, etc., working together or collectively.
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