Simple Definition of catarrh

from our Learner's Dictionary

catarrh

noun

kəˈtɑɚ How to pronounce catarrh (audio)
plural catarrhs
medical : a condition in which the nose and air passages become filled with mucus

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“Catarrh.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/catarrh. Accessed 19 Jun. 2026.

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