The Collaborative International Dictionary of English v.0.48:

mandibular joint \mandibular joint\ n. (anatomy)
   The joint between the head of the lower jawbone and the
   temporal bone.

   Syn: temporomandibular joint, articulatio
        temporomandibularis.
        [WordNet 1.5] Mandibulate

WordNet (r) 3.0 (2006):

mandibular joint
    n 1: the joint between the head of the lower jawbone and the
         temporal bone [syn: mandibular joint, temporomandibular
         joint, articulatio temporomandibularis]