Billboard vs. Poster

Billboard and Poster Definitions
Billboard
A panel for the display of advertisements in public places, such as alongside highways or on the sides of buildings.
Poster
A large, usually printed placard, bill, or announcement, often illustrated, that is posted to advertise or publicize something.
Billboard
The advertisement or message posted on such a panel.
Poster
An artistic work, often a reproduction of an original painting or photograph, printed on a large sheet of paper.
Billboard
An introductory list of highlights from the program or text that follows, as in a broadcast or magazine.
Poster
One that posts bills or notices.
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Billboard
A ledge on the bow of a ship on which the bill of an anchor rests when the anchor is secured to the cathead.
Poster
One that travels in speed or with haste.
Billboard
To advertise or proclaim on or as if on a billboard
Billboarded as the workers' candidate.
Poster
A picture of a celebrity, an event etc., intended to be attached to a wall.
He has posters of his favorite band, sports teams and holiday resorts up.
Billboard
A very large outdoor sign, generally used for advertising.
Poster
An advertisement to be posted on a pole, wall etc. to advertise something.
I saw a poster for the film on the side of a bus.
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Billboard
(dated) A flat surface, such as a panel or fence, on which bills are posted; a bulletin board.
Poster
(internet) One who posts a message.
Some posters left the online message board after the squabble.
Billboard
(nautical) 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.
Poster
A shot that hits a goalpost, scoring one point.
Billboard
(computer graphics) A sprite that always faces the screen, no matter which direction it is looked at from.
Poster
A shot that hits a goalpost instead of passing into the goal.
We got three posters in the third and lost.
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Billboard
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.
Poster
(basketball) A dunk over a defending player.
Billboard
A flat surface, as of a panel or of a fence, on which bills are posted; a bulletin board.
Poster
(dated) A posthorse.
Billboard
Large outdoor signboard
Poster
(archaic) A swift traveller; a courier.
Poster
(transitive) To decorate with posters.
To poster the walls of a bedroom
Poster
A large bill or placard intended to be posted in public places.
Poster
One who posts bills; a billposter.
Poster
One who posts, or travels expeditiously; a courier.
Poster
A post horse.
Poster
A sign posted in a public place as an advertisement;
A poster advertised the coming attractions
Poster
Someone who pastes up bills or placards on walls or billboards
Poster
A horse kept at an inn or post house for use by mail carriers or for rent to travelers