WordNet (r) 3.0 (2006):
submandibular gland n 1: a salivary gland inside the lower jaw on either side that produces most of the nocturnal saliva; discharges saliva into the mouth under the tongue [syn: submaxillary gland, submaxillary salivary gland, submandibular gland, submandibular salivary gland, mandibular gland]