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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 others. [2]

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

    Nov 14, 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 end of the body …

  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 with a sucker at …

  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 it’s related to …

  5. 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 young, …

  6. 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 bloodletting..

  7. Leeches Uses, Benefits & Dosage - Drugs.com

    Sep 12, 2025 · Leech therapy has been investigated for its analgesic and wound healing effects, and for stimulating blood flow at postsurgical sites. Use in osteoarthritis has also been investigated.

  8. Leech - definition of leech by The Free Dictionary

    To attach oneself to another in the manner of a leech. [Middle English leche, physician, leech, from Old English lǣce; see leg- in Indo-European roots.]

  9. Annelid - Leech, Parasitic, Bloodsucking | Britannica

    Nov 11, 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 posterior end; the …

  10. Leech - Definition, Characteristics, Habitation, Structure and Anatomy

    In this article, we will discuss the structure of Leech, Leech anatomy, characteristics, reproduction system, blood circulatory system, excretion, and other things of Leeches in detail.