lung

Từ điển WordNet v3.1 - WordNet Dictionary

noun

either of two saclike respiratory organs in the chest of vertebrates;
serves to remove carbon dioxide and provide oxygen to the blood (Freq. 30)
• Hypernyms:
respiratory organ
• Part Holonyms:
lower respiratory tract
• Part Meronyms:
bronchial artery, pulmonary vein, vena pulmonalis, alveolar bed, lobe of the lung,
alveolus, air sac, air cell