Definition of mediastinum

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  • mediastinum is a valid Scrabble US word with a point value of 16
  • mediastinum is a valid Scrabble UK word with a point value of 16
  • mediastinum is a valid Words with friends word with a point value of 20

Definition of mediastinum

  • the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus (noun)

See definition of mediastinum in Merriam Webster