Dictionary 1. (n.) A piece of thick plank, armed with iron plates, and fixed on the bow or fore channels of a vessel, for the bill or fluke of the anchor to rest on.2. (n.) A flat surface, as of a panel or of a fence, on which bills are posted; a bulletin board. Thesaurus advertisement affiche announcement banner bill billboard broadside carrier carrier pigeon circular flier handbill homer homing pigeon mail car mail coach mail packet mail train mail truck mailer mailplane notice packet boat pigeon post placard post boat post car post coach post-horse post-office car railway mail car sign signboard |