Rostrula

1 definition found

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

  Rostrulum \Ros"tru*lum\ (-tr[.u]*l[u^]m), n.; pl. {Rostrula}.
     [NL., dim. of L. rostrum a beak.]
     A little rostrum, or beak, as of an insect.
     [1913 Webster]