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tree swallow

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noun

a bluish-green and white swallow, Iridoprocne bicolor, of North America, that nests in tree cavities.

Origin of tree swallow

An Americanism dating back to 1890–95

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tree swallow

Historical Examples of tree swallow

The peasants call it tree-swallow, but its name is something else.
In Midsummer Days and Other Tales
August Strindberg