a. [ L. rostralis, fr. rostrum a beak; cf. F. rostral. ] Of or pertaining to the beak or snout of an animal, or the beak of a ship; resembling a rostrum, esp., the rostra at Rome, or their decorations. [ 1913 Webster ]

[ Monuments ] adorned with rostral crowns and naval ornaments. Addison. [ 1913 Webster ]