家燕

[ noun ]
common swallow of North America and Europe that nests in barns etc.
<noun.animal>

Barn \Barn\ (b[aum]rn), n. [OE. bern, AS. berern, bern; bere
barley + ern, [ae]rn, a close place. [root]92. See {Barley}.]
A covered building used chiefly for storing grain, hay, and
other productions of a farm. In the United States a part of
the barn is often used for stables.

{Barn owl} (Zo["o]l.), an owl of Europe and America ({Aluco
flammeus}, or {Strix flammea}), which frequents barns and
other buildings.

{Barn swallow} (Zo["o]l.), the common American swallow
({Hirundo horreorum}), which attaches its nest of mud to
the beams and rafters of barns.