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or pertaining to the forehead or the anterior part of the roof of the brain case; as, the frontal bones.

of or pertaining to the nose and the front of the head; as, the embryonic nasofrontal process which forms the anterior boundary of the mouth.

Situated behind the frontal bone or the frontal region of the skull; -- applied especially to a bone back of and below the frontal in many animals. -- n.

Situated in front of the frontal bone, or the frontal region of the skull; ectethmoid, as a certain bone in the nasal capsule of many animals, and certain scales of reptiles and fishes. -- n.

loth which is placed over the top of an altar, and often hangs down a few inches over the frontal.

The hangings or screen in front of the altar; an altar cloth; the frontal. Smollett.

The two projecting feathered angles of the forehead of some birds; the frontal points.

The red-breasted house sparrow of California (Carpodacus frontalis); -- called also crimson-fronted bullfinch. [Written also burrion.]

The frontal plate of the head of an insect.

hin. Coronal suture (Anat.), a suture extending across the skull between the parietal and frontal bones; the frontoparietal suture.

A New Zealand plover (Anarhynchus frontalis), remarkable for having the end of the beak abruptly bent to the right.

External to the ethmoid; prefrontal.

gaping lips of wounds. Knight. -- Fissure of rolando (Anat.), the furrow separating the frontal from the parietal lobe in the cerebrum. -- Fissure of Sylvius (Anat.), a deep cerebral fissure separating the frontal from the temporal lobe. See Illust. under Brain. -- Fissure vein (Mining), a crack in the earth's surf…

A frontal or brow band; a fillet or band worn on the forehead. They shall be as frontlets between thine eyes. Deut. vi. 8.

A combining form signifying relating to the forehead or the frontal bone; as, fronto-parietal, relating to the frontal and the parietal bones; fronto-nasal, etc.

Same as Frontal, 2.

One of several wading birds, having long, webless toes, and a frontal shield, belonging to the family Rallidae. They are remarkable for running rapidly over marshes and on floating plants. The purple gallinule of America is Ionornis Martinica, that of the Old World is Porphyrio porphyrio. The common European gallinule…

A Southern Asiatic species of wild cattle (Bibos frontalis).

The space between the eyebrows, also including the corresponding part of the frontal bone; the mesophryon. -- Gla*bel"lar, a.

the jaw. Gnathic index, in a skull, the ratio of the distance from the middle of the nasofrontal suture to the basion (taken equal to 100), to the distance from the basion to the middle of the front edge of the upper jaw; -- called also alveolar index. Skulls with the gnathic index below 98 are orthognathous, from 98…