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intr.v. sha·dow·boxed, sha·dow·box·ing, sha·dow·box·es
To spar with an imaginary opponent, as for exercise or training purposes.

shad′ow·box′ing n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

shad′ow box`

a rectangular frame fronted with a glass panel, used to show and protect items on display.


(ˈʃæd oʊˌbɒks)

to go through the motions of boxing, without an opponent, as a training or conditioning procedure.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.shadowbox - go through boxing motions without an opponent
athletics, sport - an active diversion requiring physical exertion and competition
box - engage in a boxing match
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
LMC also added fitness studio Shadowbox to the retail landscape at Marlowe, a luxury mixed-use apartment community in Chicago's River North neighborhood.
$800 Navajo Silver and Turquoise Shadowbox Squash Blossom Necklace, double-strand necklace featuring ten stamped squash blossom, each set with a turquoise cabochon in a shadowbox setting, surrounding a central naja decorated with seven stamped shadowbox settings, each set with a turquoise cabochon; not marked; length 29.5 in., third quarter 20th century.
* design an original shadowbox inspired by Mexican Nichos.
The trio - multi-instrumentalists David Satori and Tommy Cappel and dancer Zoe Jakes - commemorated their 10th year as a band by releasing their 10th album, "Shadowbox." The all-ages show begins at 8 p.m.
It also has houses retail tenants Bluestone Lane Coffee, Taco Dumbo, Dig Inn, Untamed Sandwiches, Glaze Teriyaki Yoga Vida and Shadowbox.
These shellfish, would look great in a shadowbox frame on the wall.
When they arrived home, the trophy and new photo went into a shadowbox and took its rightful place in the Sottosanti household.
VividLite has released a new ShadowBox smart lamp to support on Kickstarter, the company said.
San Juan Capistrano, CA, April 22, 2016 --( Vividlite Wireless LED company is proud to announce the Kickstarter release of their latest product, ShadowBox.
at the four of us, a family in a shadowbox that flared