1. A cold affecting the chest, accompanied with an increased secretion of mucus, especially from the nose.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• catarac,
• catared,
• cattarh,
• catar,
• catarrac,
• catrch,
• atarah,
• catarh,
• catarr,
• cattarrh,
• katarrh,
• catarrhual,
• catarro,
• camarra,
• haftarrah,
• haftarah,
• Catharr,
• catharri,
• atarra,
• catara

• Caitra,
• cautery,
• Cathari,
• cadra,
• cater.

The adjective form of the word "catarrh" is "catarrhal".

The plural of the "catarrh" can be the "catarrhs".

The singular of the "catarrh" can be the "catarrh".