Trachea (noun)

The windpipe, a tube that carries air from the larynx to the bronchi in the lungs.

Origin:

Late 19th century: from modern latin, from greek tracheia "rough, rugged", from trachus "rough".

Examples:

1. The trachea helps to deliver air to the lungs.
2. The trachea is lined with cilia to prevent foreign particles from entering the lungs.
3. The trachea can become inflamed and swollen due to certain medical conditions.
4. The trachea can also be obstructed by tumors or foreign objects.
5. The trachea is an important part of the respiratory system and must function properly for proper breathing.