Press club (4)
I believe the answer is:
I believe this is a double definition.
'press' is the first definition.
(I know this)
'club' is the second definition.
(type of golf club)
(Other definitions for iron that I've seen before include "Metal obtained from haematite" , "Main component of steel" , "Press - element" , "medicinal preparation for the anaemic?" , "Press clothes" .)