Source : Webster's Revised Unabridged Dictionary (1913)

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

Source : WordNet®

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