Crossword Genius

Infantry consisting of a thousand bowmen (8)

Ross

I believe the answer is:

marchers

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'infantry consisting' is the definition.
I can't tell whether this defines the answer.

'a thousand bowmen' is the wordplay.
'a thousand' becomes 'M' (Roman numeral for a thousand).
'bowmen' becomes 'archers' ('archer' can be a synonym of 'bowman').
'm'+'archers'='MARCHERS'

'of' acts as a link.

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I've seen this clue in The Globe and Mail.
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