1. Formerly used as a treatment to reduce excess blood (one of the four humours of medieval medicine) 
2. Indiscriminate slaughter
   "ten days after the bloodletting Hitler gave the action its name"
   - bloodbath, bloodshed, battue

Derived forms: bloodlettings

Type of: butchery, carnage, mass murder, massacre, medical aid, medical care, slaughter

Encyclopedia: Bloodletting

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