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leech1

[leech] /litʃ/
noun
1.
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.
2.
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.
3.
Archaic. an instrument used for drawing blood.
verb (used with object)
4.
to apply leeches to, so as to bleed.
5.
to cling to and feed upon or drain, as a leech:
His relatives leeched him until his entire fortune was exhausted.
6.
Archaic. to cure; heal.
verb (used without object)
7.
to hang on to a person in the manner of a leech:
She leeched on to him for dear life.
Origin
900
before 900; Middle English leche, Old English lǣce; replacing (by confusion with leech2) Middle English liche, Old English lȳce; cognate with Middle Dutch lieke; akin to Old English lūcan to pull out, Middle High German liechen to pull
Related forms
leechlike, adjective
Synonyms
2. bloodsucker; extortioner; sponger.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for leechlike

leech1

/liːtʃ/
noun
1.
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 animals See also horseleech, medicinal leech
2.
a person who clings to or preys on another person
3.
  1. an archaic word for physician
  2. (in combination) leechcraft
4.
cling like a leech, to cling or adhere persistently to something
verb
5.
(transitive) to use leeches to suck the blood of (a person), as a method of medical treatment
Derived Forms
leechlike, adjective
Word Origin
Old English lǣce, lœce; related to Middle Dutch lieke

leech2

/liːtʃ/
noun
1.
(nautical) the after edge of a fore-and-aft sail or either of the vertical edges of a squaresail
Word Origin
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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Word Origin and History for leechlike

leech

n.

"bloodsucking aquatic worm," from Old English læce (Kentish lyce), of unknown origin (with a cognate in Middle Dutch lake). Commonly regarded as a transferred use of leech (n.2), but the Old English forms suggest a distinct word, which has been assimilated to leech (n.2) by folk etymology [see OED]. Figuratively applied to human parasites since 1784.

obsolete for "physician," from Old English læce, probably from Old Danish læke, from Proto-Germanic *lekjaz "enchanter, one who speaks magic words; healer, physician" (cf. Old Frisian letza, Old Saxon laki, Old Norse læknir, Old High German lahhi, Gothic lekeis "physician"), literally "one who counsels," perhaps connected with a root found in Celtic (cf. Irish liaig "charmer, exorcist, physician") and Slavic (cf. Serbo-Croatian lijekar, Polish lekarz), from PIE *lep-agi "conjurer," from root *leg- "to collect," with derivatives meaning "to speak" (see lecture (n.)).

For sense development, cf. Old Church Slavonic baliji "doctor," originally "conjurer," related to Serbo-Croatian bajati "enchant, conjure;" Old Church Slavonic vrači, Russian vrač "doctor," related to Serbo-Croatian vrač "sorcerer, fortune-teller." The form merged with leech (n.1) in Middle English, apparently by folk etymology. In 17c., leech usually was applied only to veterinary practitioners. The fourth finger of the hand, in Old English, was læcfinger, translating Latin digitus medicus, Greek daktylus iatrikos, supposedly because a vein from that finger stretches straight to the heart.

Online Etymology Dictionary, © 2010 Douglas Harper
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leechlike in Medicine

leech 1 (lēch)
n.
Any of various chiefly aquatic bloodsucking or carnivorous annelid worms of the class Hirudinea, one species of which (Hirudo medicinalis) was formerly used by physicians to bleed patients. v. leeched, leech·ing, leech·es
To bleed with leeches.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Slang definitions & phrases for leechlike

leech

noun

A human parasite (1784+)

verb

: insisted that MCI was not leeching off the successful campaign of its competition (1960s+)


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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