Dictionary & Thesaurus

1.

(noun) a sign posted in a public place as an advertisement; "a poster advertised the coming attractions"

Synonyms: bill, card, notice, placard

Related Words: flash card, show bill, show card, sign, theatrical poster

2.

(noun) a horse kept at an inn or post house for use by mail carriers or for rent to travelers

Synonyms: post horse

Related Words: Equus caballus, horse