operating room

See synonyms for operating room on Thesaurus.com
  1. a specially equipped room, usually in a hospital, where surgical procedures are performed. Abbreviation: OR

Origin of operating room

First recorded in 1885–90

Words Nearby operating room

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use operating room in a sentence