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pigeon breast

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noun Pathology.
  1. chicken breast.
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Origin of pigeon breast

First recorded in 1840–50
Also called pigeon chest.
Related formspi·geon-breast·ed, adjectivepi·geon-breast·ed·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for pigeon-chest

pigeon breast

noun
  1. a deformity of the chest characterized by an abnormal protrusion of the breastbone, caused by rickets or by obstructed breathing during infancyAlso called: chicken breast
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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

pigeon-chest in Medicine

pigeon breast

(pĭjən)
n.
  1. A chest deformity marked by a projecting sternum, often occurring as a result of infantile rickets.chicken breast pectus carinatum
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.