duke

1 duke /ˈduːk/ Brit /ˈdjuːk/ noun
plural dukes
1 duke
/ˈduːk/ Brit /ˈdjuːk/
noun
plural dukes
Britannica Dictionary definition of DUKE
1 
[count] : a man of very high rank in the British nobility
2 
[count] : the ruler of an independent area of land especially in some parts of Europe in the past — compare duchess; see also archduke
3 
dukes [plural] US slang, old-fashioned : fists or hands
2 duke /ˈduːk/ Brit /ˈdjuːk/ verb
dukes; duked; duking
2 duke
/ˈduːk/ Brit /ˈdjuːk/
verb
dukes; duked; duking
Britannica Dictionary definition of DUKE

duke it out

US, informal
: to fight with your fists — often used figuratively