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The exterior or under surface embraced between the branches of the lower jaw bone, in birds.

The science which treats of the laws of distribution of living organisms over the earth's surface as to latitude, altitude, locality, etc. Its distribution or chorology. Huxley.

e neighborhood of an object. Hills of circumdenudation, hills which have been produced by surface erosion; the elevations which have been left, after denudation of a mass of high ground. Jukes.

The rotation of a limb round an imaginary axis, so as to describe a concial surface.

The external surface of a sphere, or of any orbicular body.

Having the surface marked with raised lines resembling a lattice, as many shells.

ull extent; distance between extreme limits; especially; the distance between the nearest surfaces of two bodies, or the space between walls; as, a room ten feet square in the clear.

directions, in which the cohesive attraction is a minimum, affording more or less smooth surfaces; the direction of the dividing plane; a fragment obtained by cleaving, as of a diamond. See Parting.

One of thirty regions or zones, parallel to the equator, into which the surface of the earth from the equator to the pole was divided, according to the successive increase of the length of the midsummer day.

t a support, or by attaching itself by tendrills, rootlets, etc., to a support or upright surface.

oven wholly or partially of threads of gold. -- Cloth measure, the measure of length and surface by which cloth is measured and sold. For this object the standard yard is usually divided into quarters and nails. -- Cloth paper, a coarse kind of paper used in pressing and finishing woolen cloth. -- Cloth shearer, one…

To glut, or satisfy, as the appetite; to satiate; to fill to loathing; to surfeit. [Who can] cloy the hungry edge of appetite By bare imagination of a feast Shak. He sometimes cloys his readers instead of satisfying. Dryden.

d of a joist, received into a notch in a bearing timber, and resting flush with its upper surface.

her like or unlike; -- distinguished from adhesion, which unites bodies by their adjacent surfaces. Solids and fluids differ in the degree of cohesion, which, being increased, turns a fluid into a solid. Arbuthnot.

The condition of occupying the same place in space; as, the coincidence of circles, surfaces, etc. Bentley.

ium (Anat.), epithelium in which the cells are priismatic in form, and set upright on the surface they cover. -- Columnar structure (Geol.), a structure consisting of more or less regular columns, usually six-sided, but sometimes with eight or more sides. The columns are often fractured transversely, with a cup joint,…

To divide; to mark out into parts or subdivisions. [R.] The crystal surface is comparted all In niches verged with rubies. Glover.

An instrument for determining directions upon the carth's surface by means of a magnetized bar or needle turning freely upon a pivot and pinting in a northerly and southerly direction. He that firat discovered the use of the compass did more for the supplying and increase of useful commodities than those who built work…

Flattened to a level surface. [R.]

a congruency of lines; as, the entire system of lines, each one of which meets two given surfaces, is a congruency.