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]WordNet (r) 3.0 (2006):
columbary n 1: a birdhouse for pigeons [syn: dovecote, columbarium, columbary]