Real Dictionary

croup
Croup is a disease which children sometimes suffer from that makes it difficult for them to breathe and causes them to cough a lot.

croup in American English 1
a condition resulting from any obstruction of the larynx, esp. an inflammation of the respiratory passages, with labored breathing, hoarse coughing, and laryngeal spasm
noun: any condition of the larynx or trachea characterized by a hoarse cough and difficult breathing

croup in American English 2
the top of the rump of a horse, dog, etc., just behind the loin
noun: the highest part of the rump of a quadruped, esp. a horse

croup in British English 1
noun: a throat condition, occurring usually in children, characterized by a hoarse cough and laboured breathing, resulting from inflammation and partial obstruction of the larynx

croup in British English 2
noun: the hindquarters of a quadruped, esp a horse