The Collaborative International Dictionary of English v.0.48:

Emboss \Em*boss"\ (?; 115), v. t. [imp. & p. p. Embossed (?;
   115); p. pr. & vb. n. Embossing.] [Pref. em- (L. in) +
   boss: cf. OF. embosser to swell in bunches.]
   1. To raise the surface of into bosses or protuberances;
      particularly, to ornament with raised work.
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            Botches and blains must all his flesh emboss.
                                                  --Milton.
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   2. To raise in relief from a surface, as an ornament, a head
      on a coin, or the like.
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            Then o'er the lofty gate his art embossed
            Androgeo's death.                     --Dryden.
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            Exhibiting flowers in their natural color embossed
            upon a purple ground.                 --Sir W.
                                                  Scott.
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