Fissirostres

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Fissirostres \Fis`si*ros"tres\, n. pl. [NL., fr. L. fissus (p.
     p. of findere to cleave) + rostrum beak.] (Zool.)
     A group of birds having the bill deeply cleft.
     [1913 Webster]