Bronchitis (noun)

1. An inflammation of the bronchi, the air passages that lead to the lungs, typically caused by a viral or bacterial infection.
2. A respiratory disease characterized by inflammation of the bronchial tubes, often accompanied by coughing, mucus production and difficulty in breathing.

Origin:

From the greek words "bronchos" meaning windpipe, and "-itis" meaning inflammation.

Examples:

1. I have bronchitis and can't stop coughing.
2. The doctor said the bronchitis was caused by a viral infection.
3. Bronchitis is a common ailment during the winter months.
4. The bronchitis caused him to miss a week of work.
5. Bronchitis can lead to serious complications if left untreated.