nest box 
(also nesting box)
noun
A box provided for a bird to make its nest in.The bird was returned to its nest box on the hotel ledge....
- If you can attach a structure to the walls of your residence, and are not more than 30 feet off the ground, you may want to attach a nest box, which may become home for house sparrows, chickadees, or barn swallows.
- In April 2001, the vocalizations of five females roosting in a nest box in the recreation area in Fort 8 in Hoboken were recorded on minidisc.
- Cossyra
- cost
- costa
- Costa Blanca
- Costa Brava
- cost accountant
- cost accounting
- Costa del Sol
- costal
- Costa, Lúcio
- Costa Mesa
- cost an arm and a leg
- co-star
- Costard
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- cost-effectiveness
- cost-efficiency