- (n.) An inflammatory affection of the larynx or trachea, accompanied by a hoarse, ringing cough and stridulous, difficult breathing; especially, such an affection when associated with the development of a false membrane in the air passages (also called membranous croup). See False croup, under False, and Diphtheria.
- (n.) The hinder part or buttocks of certain quadrupeds, especially of a horse; hence, the place behind the saddle.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). croup. Retrieved September 22, 2026, from http://smartdefine.org/croup/definitions/1993249 |
| Chicago | Webster's. 2011. "croup" http://smartdefine.org/croup/definitions/1993249 (accessed September 22, 2026). |
| Harvard | Webster's 2011, croup, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/croup/definitions/1993249>. |
| MLA | Webster's. "croup" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/croup/definitions/1993249> |