The Collaborative International Dictionary of English v.0.48:

Cultirostres \Cul`ti*ros"tres\ (-tr?z), n. pl. [NL., fr. L.
   culter colter of a plow, knife + rostrum bill.] (Zool.)
   A tribe of wading birds including the stork, heron, crane,
   etc.
   [1913 Webster]