WordNet sense 1 (the dressed hairy coat of a mammal):

fur

WordNet sense 2 (rain heavily):

pour, stream, rain buckets, rain cats and dogs

WordNet sense 3 (body covering of a living animal):

hide, skin

WordNet sense 4 (cast, hurl, or throw repeatedly with some missile):

bombard

WordNet sense 5 (attack and bombard with or as if with missiles):

pepper