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leech

noun [C]
 
 
/liːtʃ/

Definition

a fat creature that lives in wet places and fastens itself onto the bodies of humans and animals to feed on their bloodWorms, snails, slugs and similar animals disapproving a person who gives attention to someone over a long period in order to get their money or supportUnpleasant people in generalUnpleasant men
(Definition of leech noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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