'Catarrhal' definitions:

Definition of 'catarrhal'

From: WordNet
adjective
Of or relating to a catarrh; "catarrhal fever is any of several respiratory or oral diseases of livestock such as bluetongue in horses and sheep"

Definition of 'Catarrhal'

From: GCIDE
  • Catarrhal \Ca*tarrh"al\, a. Pertaining to, produced by, or attending, catarrh; of the nature of catarrh. [1913 Webster]