Shout for type of beer (4)
I believe the answer is:
root
I believe this clue is a double definition.
'shout for' is the first definition.
(I've seen this in another clue)
'type of beer' is the second definition.
(I've seen this in another clue)
(Other definitions for root that I've seen before include "Source; firmly establish" , "support" , "Eg, turnip or carrot" , "Solution of equation" , "Rhizome" .)