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  1. Leech - Wikipedia

    The leech appears in the biblical Book of Proverbs as an archetype of insatiable greed. [1] The term "leech" is used to characterise a person who takes without giving, living at the expense of …

  2. Leech | Annelid, Bloodsucking Parasite & Medicinal Uses | Britannica

    Dec 26, 2025 · Leech, (subclass Hirudinea), any of about 650 species of segmented worms (phylum Annelida) characterized by a small sucker, which contains the mouth, at the anterior …

  3. LEECH Definition & Meaning - Merriam-Webster

    The meaning of LEECH is any of numerous carnivorous or bloodsucking usually freshwater annelid worms (class Hirudinea) that have typically a flattened lanceolate segmented body …

  4. Leech Animal Facts - A-Z Animals

    May 27, 2024 · The leech (Hirudinea) is a predator and blood-sucking parasite that is native to almost every continent. This aquatic worm is a member of the Annelida phylum, which means …

  5. Leech - Types, Size, Anatomy, Habitat, Diet, Lifespan, & Life Cycle

    Nov 7, 2025 · What are leech. Are they dangerous. Where & how long do they live. What do they eat. How do they reproduce. Learn their size, predators, & life cycle with pictures.

  6. Leeches - Missouri Department of Conservation

    Different leech species specialize in different hosts, including mammals, reptiles, amphibians, fish, and snails. They usually secrete an enzyme that prevents the host’s blood from clotting, as …

  7. Leech - New World Encyclopedia

    The medicinal leech, Hirudo medicinalis, which is native to Europe, and its congeners have been used for clinical bloodletting for thousands of years. Some species of leech will nurture their …

  8. Annelid - Leech, Parasitic, Bloodsucking | Britannica

    Dec 16, 2025 · Annelid - Leech, Parasitic, Bloodsucking: Leeches are segmented worms characterized by a small sucker at the anterior end of the body and a large sucker at the …

  9. Allen Leech - IMDb

    Allen Leech. Actor: The Imitation Game. Allen Leech was born on 18 May 1981 in Killiney, County Dublin, Ireland. He is an actor and producer, known for The Imitation Game (2014), Bohemian …

  10. LEECH Definition & Meaning | Dictionary.com

    LEECH definition: any bloodsucking or carnivorous aquatic or terrestrial worm of the class Hirudinea, certain freshwater species of which were formerly much used in medicine for …