barn swallow

from WordNet (r) 3.0 (2006)

barn swallow
    n 1: common swallow of North America and Europe that nests in
         barns etc. [syn: {barn swallow}, {chimney swallow},
         {Hirundo rustica}]

from The Collaborative International Dictionary of English v.0.48

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.
   [1913 Webster]

   {Barn owl} (Zool.), an owl of Europe and America ({Aluco
      flammeus}, or {Strix flammea}), which frequents barns and
      other buildings.

   {Barn swallow} (Zool.), the common American swallow ({Hirundo
      horreorum}), which attaches its nest of mud to the beams
      and rafters of barns.
      [1913 Webster]