Pathology. inflammation of the breast.
Veterinary Pathology. inflammation of the udder, especially of cows; garget.

Origin of mastitis

First recorded in 1835–45; mast- + -itis
Related formsma·stit·ic [ma-stit-ik] /mæˈstɪt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for mastitis

Historical Examples of mastitis

  • Mastitis and chicken cholera were among the common diseases brought under control by new drugs.

    Frying Pan Farm

    Elizabeth Brown Pryor

  • Mastitis in infants is caused by unnecessary interference and manipulation and by want of cleanliness.

British Dictionary definitions for mastitis



inflammation of a breast or an udder
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 mastitis

1842, medical Latin, from Greek mastos (see masto-) + -itis.

Online Etymology Dictionary, © 2010 Douglas Harper

mastitis in Medicine




Inflammation of the breast.mammitis mastadenitis
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.