infraclavicular fossa

[ĭn′frə-klə-vĭkyə-lər]
n.
  1. A triangular depression bounded by the clavicle and the adjacent borders of the deltoid and greater pectoral muscles.infraclavicular triangle
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.