I. ˈkrüp noun
Etymology: Middle English croupe, from Old French, of Germanic origin; akin to Old High German kropf craw — more at crop
Date: 14th century
: the rump of a quadruped
II. noun
Etymology: English dialect croup to cry hoarsely, cough, probably of imitative origin
Date: 1765
: inflammation, edema, and subsequent obstruction of the larynx, trachea, and bronchi especially of infants and young children that is typically caused by a virus and is marked by episodes of difficult breathing and hoarse metallic cough
• croupy -pē adjective