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An instrument for drawing lines through a point, or lines converging to a center.

Converging to a center; -- applied to lines drawn so as to meet in a point or center.

A term applied to the action of nerve force in the spinal center. Marshall Hall.

A kind of breechloading, center-fire rifle, or improved needle gun.

ssuing, respectively from the dexter and sinister bases of the field and conjoined at its center.

Making Christ the center, about whom all things are grouped, as in religion or history; tending toward Christ, as the central object of thought or emotion. J. W. Chadwick.

See Center.

Rolled together downward, the tip occupying the center; -- a term used in reference to foliation or leafing, as in ferns. Gray.

circumference, every part of which is equally distant from a point within it, called the center.

The center of the butt at which archers shoot; -- probably once a piece of white cloth or a nail head. A'must shoot nearer or he'll ne'er hit the clout. Shak.

A metallic bushing or strengthening piece in the center of a wooden block sheve.

e of an astronomical or geodetic instrument, or the line which passes through the optical center of the object glass and the intersection of the cross wires at its focus.

To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force; to fix; as, to concentrate rays of light into a focus; to concentrate the attention. (He) concentrated whole force at his own camp. Motley.

That which has a common center with something else. Its pecular relations to its concentrics. Coleridge.

Having a common center, as circles of different size, one within another. Concentric circles upon the surface of the water. Sir I. Newton. Concentrical rings like those of an onion. Arbuthnot.

A rounded mass or nodule produced by an aggregation of the material around a center; as, the calcareous concretions common in beds of clay.

ts, lines, axes, curves, etc. Conjugate axis of a hyperbola (Math.), the line through the center of the curve, perpendicular to the line through the two foci. -- Conjugate diameters (Conic Sections), two diameters of an ellipse or hyperbola such that each bisects all chords drawn parallel to the other. -- Conjugate f…

Connate or coalescent at the base so as to produce a broad foliaceous body through the center of which the stem passes; -- applied to leaves, as the leaves of the boneset.

The center or inner part, as of an open space; as, the core of a ssquare. [Obs.] Sir W. Raleigh.

An edge or extremity; the part farthest from the center; hence, any quarter or part. From the four corners of the earth they come. Shak.