noun / verb
nest
NEST/nest/
A shelter animals build or use for their eggs or young.
The robin's nest holds three small blue eggs among the twigs.

Etymology
Old English nest named both a bird's nest and a snug retreat. That pairing highlights the shelter a nest provides for eggs and growing young.
In context
it builds its nest in a bush laying four to seven eggs
More examples
- Sea turtles dig nests in the sand for their eggs.
- Swallows nest under the bridge every spring.
- The young birds stay in the nest until they can fly.
Forms
nest · nests · nested · nesting
nestling noun — A young bird still living in its nest.