• Shadow-box

    Alternative forms

    Origin

    shadow + box

    Full definition of shadow-box

    Noun

    shadow-box

    (plural shadow-boxes)
    1. A diorama

    Verb

    1. (boxing, martial arts) To practice moves without an actual opponent, often in front of a mirror.He was shadow-boxing to keep fit and practice before the big fight.
    © Wiktionary