Definify.com
Webster 1913 Edition
Bloodsucker
Blood′suckˊer
,Noun.
1.
(Zool.)
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.
[Obs.]
Shak.
3.
A hard and exacting master, landlord, or money lender; an extortioner.