submandibular triangle

n.
  1. The triangle of the neck bounded by the mandible and the two bellies of the digastric muscle, containing the submandibular gland.digastric triangle gastric triangle submaxillary triangle
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.