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mediastinum

Syllabification: (me·di·as·ti·num)
Pronunciation: /ˌmēdēəˈstīnəm/

Definition of mediastinum

noun (plural mediastina /-əˈstīnə/)

Anatomy
  • a membranous partition between two body cavities or two parts of an organ, especially that between the lungs.

Derivatives

mediastinal

Pronunciation: /-ˈstīnl/

adjective

Origin:

late Middle English: neuter of medieval Latin mediastinus 'medial', based on Latin medius 'middle'

mediastinum in other Oxford dictionaries

Definition of mediastinum in the British & World English dictionary

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