The Collaborative International Dictionary of English v.0.48:
Rilievo \Ri*lie"vo\, n.[It. See Relief.] (Sculp. & Arch.) Same as Relief, n., 5. [1913 Webster]WordNet (r) 3.0 (2006):
rilievo n 1: sculpture consisting of shapes carved on a surface so as to stand out from the surrounding background [syn: relief, relievo, rilievo, embossment, sculptural relief]