Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun mediastinum

1 sense of mediastinum

Sense 1
mediastinum -- (the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus)
       => cavity, bodily cavity, cavum -- ((anatomy) a natural hollow or sinus within the body)