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  • IPA(key): /kɹuːp/
  • (file)
  • Rhymes: -uːp

Etymology 1[edit]

From Middle English croupe, from Old French croupe (rump, body), from Old Norse kroppr (body, trunk, mass), from Proto-Germanic *kruppaz (body, mass, heap, collection, crop), from Proto-Indo-European *grewb- (to curve, bend, crawl). More at crupper, doublet of croupe, group, and crop.

Alternative forms[edit]


croup (plural croups)

  1. The top of the rump of a horse or other quadruped.
    Coordinate terms: crupper, rump, buttocks

Etymology 2[edit]

From Scots croup, croop (the croup), from Scots croup, crowp, croop (to croak, speak hoarsely, murmur, complain), from Old Scots crowp, crope, croap (to call loudly, croak), alteration of rowp, roup, roip, rope (to cry, cry hoarsely, roop), from Middle English roupen, ropen, from Old English hrōpan (to shout, proclaim; cry out, scream, howl), from Proto-Germanic *hrōpaną (to shout), from Proto-Indo-European *ker-, *kor- (to caw, crow). More at roop.


croup (third-person singular simple present croups, present participle crouping, simple past and past participle crouped)

  1. (obsolete outside dialects) To croak, make a hoarse noise.


croup (uncountable)

  1. (pathology) An infectious illness of the larynx, especially in young children, causing respiratory difficulty.
Usage notes[edit]
  • There are two forms of croup, one caused by the diphtheria bacterium which may be deadly if not cured, and the other, less severe, caused by viruses. The viral form was formerly called pseudocroup. Vaccines and antibiotics have nearly eradicated the diphtheritic form from developed countries, and now the term "croup" chiefly refers to the viral form.
Derived terms[edit]