What does the word circumflex mean?

Usage examples for circumflex

  1. D. Axillary plexus of nerves, of which d is a branch on the coracoid border of the axillary artery; e, the musculo- cutaneous nerve, piercing the coraco- brachialis muscle; f, the ulnar nerve; g, musculo- spiral nerve; h, the median nerve; i, the circumflex nerve. – Surgical Anatomy by Joseph Maclise
  2. Exclamations often have a circumflex inflection, as " Really!" – The Principles of English Versification by Paull Franklin Baum