Crossword Genius

Sword ignored by girl (7)

Ross

I believe the answer is:

cutlass

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'sword' is the definition.
(type of sword)

'ignored by girl' is the wordplay.
'ignored' becomes 'cut' (I've seen this in other clues).
'by girl' becomes 'lass' (lass can informally mean a girl. I am not sure about the 'by' bit.).
'cut'+'lass'='CUTLASS'

Can you help me to learn more?

(Other definitions for cutlass that I've seen before include "Pirate sword" , "Sailor's blade" , "Short, heavy curved sword" , "Sword formerly used by sailors" , "Curved sailors' sword" .)

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