Wordnet 3.0
NOUN (2)
1. 
 moving or still pictures in contrasting colors that appear three-dimensional when superimposed; 
2. 
 anything carved in low relief; 
The Collaborative International Dictionary of English v.0.48:
Anaglyph \An"a*glyph\, n. [Gr. ? wrought in low relief, ?
   embossed work; ? + ? to engrave.]
   Any sculptured, chased, or embossed ornament worked in low
   relief, as a cameo.
   [1913 Webster] Anaglyphic
WordNet (r) 3.0 (2006):
anaglyph
    n 1: moving or still pictures in contrasting colors that appear
         three-dimensional when superimposed
    2: anything carved in low relief