Search catarrhal croup catarrhal croup [Gk, kata + rhoia + Scot, to croak] , severe laryngitis accompanied by a croupy cough. See also croup. Tweet Telegram VK Random Words Sanfilippo’s syndrome follicular phase Matulane root resection, root-end resection autotopagnosia Watson-Crick helix episome soft data open-enrollment period