Sutura Frontalis is a Latin medical term that refers to the frontal suture, which is the immovable joint between the two bone plates of the skull. Other common synonyms for Sutura Frontalis include the coronal suture, which divides the skull into the front and back portions, and the interfrontal suture, which is the point where the two frontal bones meet. Additionally, some medical professionals may use the term frontonasal suture, which pertains to the suture that connects the frontal bone to the nasal bone. These synonyms are useful in medical terminology when discussing the structure and function of the skull.