1) Bird genus 2) Genus delichon 
Delichon is a small genus of passerine birds that belongs to the swallow family and contains three species named as house martins. These are chunky, bull-headed and short-tailed birds, blackish-blue above with a contrasting white rump, and with white or grey underparts. They have feathering on the toes and tarsi that is characteristic of this genu...
[n] - a genus of Hirundinidae
genus Delichon noun a genus of Hirundinidae