The Collaborative International Dictionary of English v.0.48:

Longiroster \Lon`gi*ros"ter\, n.; pl. L. Longirostres, E.
   Longirosters. [L. longus long + rostrum beak: cf. F.
   longirostre.] (Zool.)
   One of the Longirostres.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Longirostres \Lon`gi*ros"tres\, n. pl. [NL., fr. L. longus long
   + rostrum beak.] (Zool.)
   A group of birds characterized by having long slender bills,
   as the sandpipers, curlews, and ibises. It is now regarded as
   an artificial division.
   [1913 Webster]