Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • intransitive v. To spar with an imaginary opponent, as for exercise or training purposes.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A diorama
  • v. To practice moves without an actual opponent, often in front of a mirror.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. go through boxing motions without an opponent

Etymologies

shadow + box (Wiktionary)

Examples

Comments

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