Source : Webster's Revised Unabridged Dictionary (1913)

Rostrate \Ros"trate\, Rostrated \Ros"tra*ted\, a. [L. rostratus,
   fr. rostrum a beak. See {Rostrum}.]
   1. Having a process resembling the beak of a bird; beaked;
      rostellate.

   2. Furnished or adorned with beaks; as, rostrated galleys.

Source : WordNet®

rostrate
     adj : having a beak or beaklike snout or proboscis