a. ? Obs. [f. CATARRH + -OUS: app. after 16th c. F. catarreux, catarrheux.] Pertaining to, subject to, or of the nature of, catarrh; = CATARRHAL.
1651. Biggs, New Disp., ¶ 250. To excrete the catarrhous matter.
1782. Johnson, in Boswell (1831), V. 29. I am now harassed by a catarrhous cough.
1819. Rees, Cycl., s.v., Cure for a catarrhous cough … the inhalation of the vapour of warm water.
