Used in scientific nomenclature for fronti-, the combining form of L. front-em, frōns FRONT, chiefly in anatomical and surgical combs. signifying ‘pertaining to the front or forehead and to something else’; as in fronto-auricular, -ethmoid, -malar, -mental (see MENTAL a.2), -nasal, -occipital, -orbital, -parietal, -sphenoidal, -squamosal, -temporal, for which see the word forming the second member of the combination.
1857. Bullock, Cazeaux’ Midwif., 221. The fronto-mental, or the facial, extends from the frontal boss to the point of the chin.
1864. Reader, No. 85. 204/1. The fronto-nasal protuberance.
1866. Huxley, Preh. Rem. Caithn., 99. The basi-cranial line is from the anterior margin of the foramen magnum to the fronto-nasal suture.
1872. Mivart, Elem. Anat., 100. The parietal may be one with the frontal, forming a fronto-parietal bone.
1886. F. H. H. Guillemard, Cruise Marchesa, I. 214. Thus causing the fronto-orbital edge to be very sharp.
