n. [ F. croupe hind quarters, croup, rump, of German or Icel. origin; cf. Icel. kryppa hump; akin to Icel. kroppr. Cf. Crop. ] The hinder part or buttocks of certain quadrupeds, especially of a horse; hence, the place behind the saddle. [ 1913 Webster ]

So light to the croup the fair lady he swung,
So light to the saddle before her he sprung. Sir W. Scott. [ 1913 Webster ]

n. [ Scot. croup, cf. croup, crowp, to croak, to cry or speak with a hoarse voice; cf. also LG. kropp, G. kropf, the crop or craw of a bird, and tumor on the anterior part of the neck, a wen, etc. Cf. Crop. ] (Med.) An inflammatory affection of the larynx or trachea, accompanied by a hoarse, ringing cough and stridulous, difficult breathing; esp., 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. [ 1913 Webster ]

n. [ F., fr. croupe hind quarters. ] (Man.) A leap in which the horse pulls up his hind legs toward his belly. [ 1913 Webster ]

a. Croupy. [ 1913 Webster ]

n. See Crupper. [ 1913 Webster ]

n. [ F.; prop., one who sits on the croup, and hence, in the second place; an assistant. See 1st Croup. ] 1. One who presides at a gaming table and collects the stakes. [ 1913 Webster ]

2. One who, at a public dinner party, sits at the lower end of the table as assistant chairman. [ 1913 Webster ]

a. (Med.) Relating to or resembling croup; especially, attended with the formation of a deposit or membrane like that found in membranous croup; as, croupous laryngitis. [ 1913 Webster ]

Croupous pneumonia, pneumonia attended with deposition of fibrinous matter in the air vesicles of the lungs; ordinary acute pneumonia. [ 1913 Webster ]

a. Of or pertaining to croup; resembling or indicating croup; as, a croupy cough. [ 1913 Webster ]