WordNet sense 1 (informal terms for the nose):

beak, honker, hooter, nozzle, schnoz, schnozzle, snoot

WordNet sense 2 (beaklike projection of the anterior part of the head of certain insects such as e.g. weevils):

rostrum

WordNet sense 3 (a long projecting or anterior elongation of an animal's head; especially the nose):

neb