What does "catarrh" mean?

Catarrh: An inflammatory affection of any mucous membrane, in which there are congestion, swelling, and an altertion in the quantity and quality of mucus secreted; as catarrh of the stomach; catarrh of the bladder. Note: In America, the term catarrh is applied especially to a chronic inflammation of, and hypersecretion fron, the membranes of the nose or air passages; in England, to an acute influenza, resulting a cold, and attended with cough, thirst, lassitude, and watery eyes; also, to the cold itself.