In sculpture, relief midway between high relief and low relief; mezzo-rilievo; demi-relief.(noun)
The Century Dictionary (Public Domain)
Use "half-relief" in a sentence
"All round the circumference of each bowl were figures in half-relief, representing a woman dancing."
"Some unseen hand drew a blind over the great window and an eerie green-and-golden light began to play from one end of the room, throwing the dancers into half-relief and deepening the mystery."
"The whole piece reposed upon a base of ebony, properly proportioned, but with a projecting cornice, upon which I introduced four golden figures in rather more than half-relief."