• synonyms


See more synonyms on Thesaurus.com
noun Pathology.
  1. any condition of the larynx or trachea characterized by a hoarse cough and difficult breathing.

Origin of croup1

1755–65; noun use of croup to cry hoarsely (now dial.), blend of croak and whoop


  1. the highest part of the rump of a quadruped, especially a horse.

Origin of croup2

1250–1300; Middle English croupe < Middle French, Anglo-French crupe, Old French crope < Germanic; see crop
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for croup

Historical Examples

  • But his croup sloped down too much, and he had a short neck.

    Way of the Lawless

    Max Brand

  • Should he not, his croup may be so turned, outward, that he cannot do his rider any mischief.

  • When I got on the Northern Belle, a fine boat, one of my children was taken with croup.

  • How does the height at the withers compare with the height at the croup?

    Agriculture for Beginners

    Charles William Burkett

  • She begged for the pine syrup, for her little Anthony was choking with croup.

    Some Three Hundred Years Ago

    Edith Gilman Brewster

British Dictionary definitions for croup


  1. a throat condition, occurring usually in children, characterized by a hoarse cough and laboured breathing, resulting from inflammation and partial obstruction of the larynx
Derived Formscroupous or croupy, adjective

Word Origin

C16 croup to cry hoarsely, probably of imitative origin



  1. the hindquarters of a quadruped, esp a horse

Word Origin

C13: from Old French croupe; related to German Kruppe
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for croup


"coughing illness," 1765, from obsolete verb croup "to cry hoarsely, croak" (1510s), probably echoic. This was the local name of the disease in southeastern Scotland, given wide currency by Dr. Francis Home (1719-1813) of Edinburgh in his 1765 article on it. Related: Croupy.

Online Etymology Dictionary, © 2010 Douglas Harper

croup in Medicine


  1. laryngotracheobronchitis
  2. A pathological condition of the larynx, especially in infants and children, characterized by respiratory difficulty and a hoarse, brassy cough.
Related formscroupous (krōōpəs) null adj.

croup in Science


  1. An acute infection that affects the upper and lower respiratory tracts, especially the larynx, trachea, and bronchi, and is caused most commonly by viruses of the genus Paramyxovirus. It is characterized by labored breathing and obstruction below the glottis, accompanied by a barking cough.