Search Result for "billboard": 
Wordnet 3.0

NOUN (1)

1. large outdoor signboard;
[syn: billboard, hoarding]


The Collaborative International Dictionary of English v.0.48:

Billboard \Bill"board`\, n. 1. (Naut.) 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. --Totten. [1913 Webster] 2. A flat surface, as of a panel or of a fence, on which bills are posted; a bulletin board. especially, A large board out of doors and visible to passers-by, on which the space is rented for advertising purposes; also, the advertising displayed on such a board. [1913 Webster +PJC]
WordNet (r) 3.0 (2006):

billboard n 1: large outdoor signboard [syn: billboard, hoarding]