graven image
An image of an idol, especially a carving or sculpture, that one worships (something that was expressly forbidden in the Ten Commandments given to Moses by God). Many residents have described the statues as graven images of the country's sordid past issues of slavery and racism.
a graven image
a carved representation of a god used as an object of worship. This expression is from the second of the Ten Commandments: ‘Thou shalt not make unto thee any graven image’ (Exodus 20:4).