frontal process
nounMedical Definition of frontal process
1
: a long plate that is part of the maxillary bone and contributes to the formation of the lateral part of the nose and of the nasal cavity
— called also nasal process
2
: a process of the zygomatic bone articulating superiorly with the frontal bone, forming part of the orbit anteriorly, and articulating with the sphenoid bone posteriorly