bird·house 
(bûrdhous′)
(bûrdhous′)n.
1. A box, often shaped like a house, that is provided as a nesting place for birds.
2. An aviary.
- conceal
- concealable
- concealer
- concealment
- concede
- concededly
- conceder
- conceit
- conceited
- conceitedly
- conceitedness
- conceivability
- conceivable
- conceivableness
- conceivably
- conceive
- conceiver
- concelebrant
- concelebrate
- concelebration
- concenter
- concentrate
- concentration
- concentration camp
- concentration gradient