What is the meaning of the word "half-relief"?

Definitions:

  1. a sculptural relief between low relief and high relief copy to clipboard noun
    • The artist expertly crafted the wood panel, creating a stunning half-relief of the natural landscape. copy to clipboard
    • The intricate half-relief on the ancient temple wall revealed stories from a time long past, capturing the imagination of all who beheld it. copy to clipboard

Synonyms: