Dictionary.net

carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end

carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end

Any animal that sucks blood; esp., the leech (Hirudo medicinalis), and related species.

Any animal that sucks blood; esp., the leech (Hirudo medicinalis), and related species.

An animal that sucks blood; especially, a leech; an extortioner.

A leech, a fly, any thing that sucks blood; a murderer.