A narrow lane or alley associated historically with slaughter houses, blood sports, or rough neighborhoods in urban areas.
Compound of 'blood' (from Old English 'blōd') and 'alley' (from Old French 'alee'). Such street names appear in historical city records, often marking dangerous or unsavory locations.
Many old cities have actual streets called 'Blood Alley'—they were real places where butchers worked or blood sports occurred, and the names stuck even after the uses changed!
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