From The Collaborative International Dictionary of English v.0.48 [gcide]:
Embossment \Em*boss"ment\, n.
1. The act of forming bosses or raised figures, or the state
of being so formed.
[1913 Webster]
2. A bosslike prominence; figure in relief; raised work; jut;
protuberance; esp., a combination of raised surfaces
having a decorative effect. "The embossment of the
figure." --Addison.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
embossment
n 1: an impression produced by pressure or printing [syn:
imprint, embossment]
2: sculpture consisting of shapes carved on a surface so as to
stand out from the surrounding background [syn: relief,
relievo, rilievo, embossment, sculptural relief]