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A little circle. J. Gregory.

Roundness; a round or circle. [Obs.] Shak.

A private circle or assembly at a private house; a circle. [Obs.] Dryden.

To exert continuous activity; to proceed; as, to run through life; to run in a circle.

A circle. [Prov. Eng.]

A genus of tubiculous annelids having a circle of plumose gills around head.

An apartment for the reception of company; hence, in the plural, faschionable parties; circles of fashionable society.

graduated scale on which are given the lengths of the chords of arcs from 0º to 90º in a circle of given radius, -- used in measuring given angles and in plotting angles of given numbers of degrees.

One of series of segments of circles joined at their extremities, forming a border like the edge or surface of a scallop shell.

Having the edge or border cut or marked with segments of circles. See Scallop, n., 2.

A right line drawn from the center of a circle through one end of a circular arc, and terminated by a tangent drawn from the other end; the number expressing the ratio line of this line to the radius of the circle. See Trigonometrical function, under Function.

ter of the mirror. -- Secondary battery. (Elec.) See under Battery, n., 4. -- Secondary circle (Geom. & Astron.), a great circle passes through the poles of another great circle and is therefore perpendicular to its plane. -- Secondary circuit, Secondary coil (Elec.), a circuit or coil in which a current is produced…

A part of a circle comprehended between two radii and the included arc.

Of or pertaining to a sector; as, a sectoral circle.

A vibratory or reciprocating motion. He has been arguing in a circle; there is thus a seesaw between the hypothesis and fact. Sir W. Hamilton.

A part cut off from a figure by a line or plane; especially, that part of a circle contained between a chord and an arc of that circle, or so much of the circle as is cut off by the chord; as, the segment acb in the Illustration.

Having the figure of a half circle; forming a semicircle. Grew.

Having the form of half of a circle. Addison. Semicircular canals (Anat.), certain canals of the inner ear. See under Ear.

lf of a diameter; a right line, or the length of a right line, drawn from the center of a circle, a sphere, or other curved figure, to its circumference or periphery; a radius.

An aspect of the planets when they are distant from each other the twelfth part of a circle, or thirty degrees. Hutton.