plac·ard /ˈplækɚ/
 公告,布告,海報(vt.)公告,布告,張帖,貼海報于
 Pla·card n.
 1. A public proclamation; a manifesto or edict issued by authority. [Obs.]
    All placards or edicts are published in his name.   --Howell.
 2. Permission given by authority; a license; as, to give a placard to do something. [Obs.]
 3. A written or printed paper, as an advertisement or a declaration, posted, or to be posted, in a public place; a poster.
 4. Anc. Armor An extra plate on the lower part of the breastplate or backplate.
 5.  A kind of stomacher, often adorned with jewels, worn in the fifteenth century and later.
 Pla·card, v. t. [imp. & p. p. Placarded; p. pr. & vb. n. Placarding.]
 1. To post placards upon or within; as, to placard a wall, to placard the city.
 2. To announce by placards; as, to placard a sale.
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 placard
      n : a sign posted in a public place as an advertisement; "a
          poster advertised the coming attractions" [syn: poster,
           posting, notice, bill, card]
      v 1: post in a public place
      2: publicize or announce by placards [syn: bill]