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leech

1
[ leech ]
/ litʃ /
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noun
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.
a person who clings to another for personal gain, especially without giving anything in return, and usually with the implication or effect of exhausting the other's resources; parasite.
Archaic. an instrument used for drawing blood.
verb (used with object)
verb (used without object)
to hang on to a person in the manner of a leech: She leeched on to him for dear life.
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Origin of leech

1
First recorded before 900; Middle English lech(e), Old English lǣce, lȳce; replacing (by association with leech2) Middle English liche, Old English lȳce; cognate with Middle Dutch lake, leke, lieke; akin to Old English lūcan “to pull up, pull out,” Middle High German liechen “to pull”

OTHER WORDS FROM leech

leechlike, adjective

Other definitions for leech (2 of 4)

leech2
[ leech ]
/ litʃ /

noun Archaic.
a physician.

Origin of leech

2
First recorded before 950; Middle English leche, lech, lecche, Old English lǣce, lēce; cognate with Old Frisian letza, leischa, Old Saxon lāki, Old High German lāhhi, Gothic lēkeis; akin to Old Norse lǣknir

Other definitions for leech (3 of 4)

leech3

or leach

[ leech ]
/ litʃ /

noun Nautical.
either of the lateral edges of a square sail.
the after edge of a fore-and-aft sail.

Origin of leech

3
First recorded in 1480–90; earlier lek, leche, lyche; akin to Dutch lijk “leech, leech line,” Old Norse līk nautical term of uncertain meaning, but probably “bolt rope, leech line”

Other definitions for leech (4 of 4)

Leech
[ leech ]
/ litʃ /

noun
Margaret, 1893–1974, U.S. historian, novelist, and biographer.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use leech in a sentence

British Dictionary definitions for leech (1 of 2)

leech1
/ (liːtʃ) /

noun
any annelid worm of the class Hirudinea, which have a sucker at each end of the body and feed on the blood or tissues of other animalsSee also horseleech, medicinal leech
a person who clings to or preys on another person
  1. an archaic word for physician
  2. (in combination)leechcraft
cling like a leech to cling or adhere persistently to something
verb
(tr) to use leeches to suck the blood of (a person), as a method of medical treatment

Derived forms of leech

leechlike, adjective

Word Origin for leech

Old English lǣce, lœce; related to Middle Dutch lieke

British Dictionary definitions for leech (2 of 2)

leech2

leach

/ (liːtʃ) /

noun
nautical the after edge of a fore-and-aft sail or either of the vertical edges of a squaresail

Word Origin for leech

C15: of Germanic origin; compare Dutch lijk
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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