Crossword Genius

A vote introduced by British PM for disused weapon (6-3)

Ross

I believe the answer is:

battle-axe

I'm a little stuck... Click here to teach me more about this clue!

'disused weapon' is the definition.
'battle axe' can be an answer for 'weapon' (I've seen this before). I'm unsure of the 'disused' bit.

'a vote introduced by british pm' is the wordplay.
'vote' becomes 'x' (how votes are marked).
'introduced by' indicates putting letters inside (some letters introduce others into them).
'british' becomes 'b' (abbreviation e.g. in 'BBC').
'pm' becomes 'attlee' (prime minister Clement Attlee).
'a'+'x'='ax'
'b'+'attlee'='battlee'
'ax' put into 'battlee' is 'BATTLE-AXE'.

'for' is the link.

Can you help me to learn more?

(Other definitions for battle-axe that I've seen before include "A formidable and aggressive woman - with ancient weapon?" , "Broad-bladed weapon - domineering woman" , "Large broad-bladed weapon" , "Old chopper- nagging old woman" , "Weapon - harridan" .)

I've seen this clue in The Times.
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