Emily Dickinson Lexicon

CA-TARRH', n. [catàr; L. catarrhus; Gr. καταρῤοος, from καταρῤεω, to flow down.]

1. A defluxion, or increased secretion of mucus from the membranes of the nose, fauces and bronchiæ, with fever, sneezing, cough, thirst, lassitude and loss of appetite, and sometimes an entire loss of taste; called also a cold, coryza. An epidemic catarrh is called influenza. – Hooper. Coxe. Encyc.
2. A chronic affection of the mucous membrane of the nostrils and fauces. – Miner.