Of or pertaining to the cheek or cheek-bone.Of or pertaining to the zygoma; zygomatic; jugal: as, the malar arch.n. A membrane bone or splint-bone of the side of the head of higher vertebrates, entering into the composition of the zygoma or zygomatic arch, which connects the upper jaw or other part of the face with the squamosal or other parts about the ear; the jugal or jugal bone.