nestbox

noun
UK /ˈnɛst bɒks/
US /ˈnɛst bɑːks/

A nestbox is a small box that people put up for birds to build their nests in.

We hung a nestbox on the tree so the birds would have a safe home.


OTHER MEANINGS

2. A box used by small mammals such as bats or dormice as a shelter.

The bat nestbox was placed high on the wall of the barn.

3. A wooden or plastic box in a henhouse where hens lay their eggs.

Each hen chose her favorite nestbox to lay eggs in.

4. A container used in laboratories for animals to build nests and raise young.

The researchers checked the nestbox every morning for new pups.