Search pachygnathy pachygnathy /-gnoth″ē/ , an abnormal thickening of the mandible. See also macrognathia. Tweet Telegram VK Random Words LE cell LMT faeces, faex federally qualified heath center (FQHC) sadomasochism island of Reil falciform ligament of liver Jarcho-Levin syndrome breast self-examination (BSE)