tree swallow

Thesaurus

Noun	1.	tree swallow - bluish-green-and-white North American swallow; nests in tree cavitiesIridoprocne bicolor, white-bellied swallowswallow - small long-winged songbird noted for swift graceful flight and the regularity of its migrations
	2.	tree swallow - of Australia and Polynesia; nests in tree cavitiesHirundo nigricans, tree martinswallow - small long-winged songbird noted for swift graceful flight and the regularity of its migrationsgenus Hirundo, Hirundo - type genus of the Hirundinidae