noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A surgical procedure for examining the inside of the mediastinum and the organs it encloses through a small incision, using an endoscope and usually under general anesthesia.

Etymology

From mediastinum + -o- + -scopy.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.