Columbary

from WordNet (r) 3.0 (2006)

columbary
    n 1: a birdhouse for pigeons [syn: {dovecote}, {columbarium},
         {columbary}]

from The Collaborative International Dictionary of English v.0.48

Columbary \Col"um*ba*ry\, n.; pl. {Columbaries}. [L.
   columbarium, fr. columba a dove.]
   A dovecote; a pigeon house. --Sir T. Browne.
   [1913 Webster]