Type: Term Pronunciation: sŭb′man-dib′yū-lăr Definitions: 1. Beneath the mandible or lower jaw. 2. Denoting certain ducts, fossae, ganglia, glands, lymph nodes, or a triangle of the neck, below the mandible. Synonyms: inframandibular, submaxillary2 Found on http://www.medilexicon.com/medicaldictionary.php?t=85916