[ kuh-tahr ]
/ kəˈtɑr /


Pathology. inflammation of a mucous membrane, especially of the respiratory tract, accompanied by excessive secretions.


Origin of catarrh

1350–1400; Middle English < Late Latin catarrhus < Greek katárrous literally, down-flowing, equivalent to katarr(eîn) to flow down (kata- cata- + rheîn to flow) + -ous, variant of -eos (theme vowel + adj. suffix)

Related forms

ca·tarrh·al, ca·tarrh·ous, adjectiveca·tarrh·al·ly, adverbnon·ca·tar·rhal, adjectivepost·ca·tarrh·al, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for catarrh

British Dictionary definitions for catarrh


/ (kəˈtɑː) /


inflammation of a mucous membrane with increased production of mucus, esp affecting the nose and throat in the common cold
the mucus so formed

Derived Forms

catarrhal or catarrhous, adjective

Word Origin for catarrh

C16: via French from Late Latin catarrhus, from Greek katarrous, from katarrhein to flow down, from kata- down + rhein to flow
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

Medicine definitions for catarrh


[ kə-tär ]


Inflammation of mucous membranes, especially of the nose and throat.

Related forms

ca•tarrhal adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.