simple past tense and past participle of shadow box

Third-person singular simple present indicative form of shadow box

A wall-mounted display case.

Alternative form of shadowbox

(boxing) The action of practicing moves where the opponent is the boxer's own shadow.

present participle of shadow box

A device used to produce a crashing sound in a theatrical production, typically a large crate containing breakable materials. / A black box (flight data recorder). / A crash gearbox.

plural of crash box

plural of tuck box

plural of signal box