Dictionary.com
Thesaurus.com

dukes

British  
/ djuːks /

plural noun

  1. slang the fists (esp in the phrase put your dukes up )

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of dukes

C19: from Duke of Yorks rhyming slang for forks (fingers)

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He said Myers illness was physically obvious but as soon as the cameras started rolling "he'd have his dukes up, ready for a scrap".

From BBC

The quality time leads to a beautifully still scene where deep in the dunes, Chani tells Paul, “Your blood comes from dukes and great houses. Here, everyone is equal.”

From Salon

Over the centuries, the dukes and duchesses of Alba have distinguished themselves in various ways.

From New York Times

He was the descendant of hereditary French dukes and counts going back three centuries.

From New York Times

The writing usually demanded that we meet in a place of discord and enmity, but I loved the times where we got to put our dukes down and enjoy each other’s company.

From New York Times