Pulmonary (adjective)

1. Relating to the lungs or the respiratory system.
2. Relating to the bronchi and the alveoli, the small air sacs in the lungs where gas exchange takes place.

Origin:

From latin pulmōnārius, from pulmō ("lung") + -arius ("pertaining t.o")

Examples:

1. He was diagnosed with a pulmonary disease that affected his ability to breathe.
2. The pulmonary artery carries oxygen-poor blood from the heart to the lungs.
3. The drug is used to treat pulmonary hypertension.
4. The pulmonary function test measures how well the lungs are working.
5. The pulmonary vein carries oxygen-rich blood from the lungs to the heart.