shadow box
noun
a shallow, rectangular frame fronted with a glass panel, used to show and at the same time protect items on display, as paintings, coins, or jewelry.
Also called
shadow box frame.
Origin of shadow box
First recorded in 1905–10
Words nearby shadow box
shading,
shadkhan,
shadoof,
shadow,
shadow bands,
shadow box,
shadow cabinet,
shadow dance,
shadow history,
shadow mask,
shadow of one's self