'Barn swallow' definitions:

Definition of 'barn swallow'

From: WordNet
noun
Common swallow of North America and Europe that nests in barns etc. [syn: barn swallow, chimney swallow, Hirundo rustica]

Definition of 'Barn swallow'

From: GCIDE
  • 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]