Blood″suck′er (�), n. 1. (Zoöl.) Any animal that sucks blood; esp., the leech (Hirudo medicinalis), and related species.
2. One who sheds blood; a cruel, bloodthirsty man; one guilty of bloodshed; a murderer. Shak.
3. A hard and exacting master, landlord, or money lender; an extortioner.