shadow box

Definition of Shadow Box in English :

1. shadow box

a shallow rectangular box with a transparent front used to protect and display small items (jewelry, coins, etc.)

WordNet Lexical Database for English. Princeton University. 2010.

Shadow Box

verb (intransitive)

1. boxing

to practise blows and footwork against an imaginary opponent

2.

to act or speak unconvincingly, without saying what one means, etc

he's just shadow-boxing

a small, shallow case, usually having a glass front and hung on a wall, as for displaying small objects

n.

A shallow, framed, rectangular box usually with a glass front that is used for holding and protecting items on display.