The Duke (5)
'the duke' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for wayne that I've seen before include "See seventeen accross" , "John --, film star" , "Batman was Bruce -" , "John, for example" , "- - Rooney, footballer" .)
(Other definitions for iron that I've seen before include "great strength" , "Smooth things" , "rations in emergency?" , "Revolver" , "sports club" .)