Crossword Genius

Arm a domineering woman (9)

Ross

I believe the answer is:

battleaxe

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

'arm' is the definition.
I know nothing about this answer so I cannot judge whether this works.

'a domineering woman' is the wordplay.
I cannot really understand how this works, but
'a' is found in the answer.
'woman' could be 'lea' and 'lea' is found within the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for battleaxe that I've seen before include "Weapon - domineering woman" , "Woman we fear" , "Formidable female" , "aggressive woman" , "domineering wife?" .)

I've seen this clue in The Irish Independent.
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