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See more synonyms for blain on Thesaurus.com
noun Pathology.
  1. an inflammatory swelling or sore.
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Origin of blain

before 1000; Middle English blein(e), Old English blegene. See chilblain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for blain

abscess, sore, welt, ulcer, cyst, pimple, carbuncle, wale, weal, sac, bubble, burn, vesicle, canker, boil, blain, vesication, furuncle, bleb, pustule

Examples from the Web for blain

Historical Examples of blain

  • The blain is a watery vesicle in the second joint of the wing.

    The Art and Practice of Hawking

    Edward B. Michell

  • They haf daken atfandage of our bresence to regover a bortion of the blain.


    John William De Forest

  • Nevertheless the blain grew chillier and chillier until at last they were compelled to send for a physician.

    Bill the Minder

    W. Heath Robinson

  • It alwish seemed to me to be a beeg fish story, but it ish all blain to my mint now.

British Dictionary definitions for blain


  1. a blister, blotch, or sore on the skin
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Word Origin for blain

Old English blegen; related to Middle Low German bleine
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

Word Origin and History for blain


Old English blegen "a sore," from Proto-Germanic *blajinon "a swelling" (cf. Danish blegn, Dutch blein), from PIE *bhlei- "to swell," from root *bhel- (2) "to blow, inflate, swell;" see bole.

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Online Etymology Dictionary, © 2010 Douglas Harper

blain in Medicine


  1. A skin swelling or sore; a blister; a blotch.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.