Meaning of “leech” in the English Dictionary

british dictionary

"leech" in American English

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leechnoun [ C ]

us /litʃ/

a fat worm that lives in wet places and fastens itself onto the bodies of humans and animals to suck their blood

disapproving A leech is also a person who gets money or support from someone, giving little or nothing in return.

(Definition of “leech” from the Cambridge Academic Content Dictionary © Cambridge University Press)