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ty by which an arc or an angle falls short of 180 degrees, or an arc falls short of a semicircle.

To lie or be on all sides of; to encircle; as, a wall surrounds the city. But could instead, and ever-during dark Surrounds me. Milton.

when she begins to curve in at the rungheads; any part of a ship shaped in a segment of a circle.

A rope used to encircle a boat longitudinally, to strengthen and defend her sides.

To be hanged. [Colloq.] D. Webster. To swing round the circle, to make a complete circuit. [Colloq.] He had swung round the circle of theories and systems in which his age abounded, without finding relief. A. V. G. Allen.

Having an equal number of parts in the successive circles of floral organs; -- said of flowers.

Equality in the number of parts of the successive circles in a flower.

a given line, the given line being, for example, the axis of abscissas, or a radius of a circle produced. See Trigonometrical function, under Function. Artificial, or Logarithmic, tangent, the logarithm of the natural tangent of an arc. -- Natural tangent, a decimal expressing the length of the tangent of an arc, the…

og.), that part of the earth which lies between either tropic and the corresponding polar circle; -- so called because the heat is less than in the torrid zone, and the cold less than in the frigid zones.

ard to the earth when they are distant from each other ninety degrees, or the fourth of a circle. Hutton.

r hair. Pope. And now he thrids the bramble bush. J. R. Drake. I began To thrid the musky-circled mazes. Tennyson.

m of headdress worn by the ancient Persians. According to Xenophon, the royal tiara was encircled with a diadem, and was high and erect, while those of the people were flexible, or had rims turned over.

A circle of sportsmen, who, by surrounding an extensive space and gradually closing in, bring a number of deer and game within a narrow compass. [Scot.] We'll quell the savage mountaineer, As their tinchel cows the game! Sir W. Scott.

t Romans, consisting of a single broad piece of woolen cloth of a shape approaching a semicircle. It was of undyed wool, except the border of the toga prætexta. Toga prætexta. Etym: [L.], a toga with a broad purple border, worn by children of both sexes, by magistrates, and by persons engaged in sacred rites. -- Toga…

The surface described by the circumference of a circle revolving about a straight line in its own plane.

f two planets with regard to the earth when they are three octants, or three eighths of a circle, that is, 135 degrees, distant from each other. Hutton.

A young larval form of many annelids, mollusks, and bryozoans, in which a circle of cilia is developed around the anterior end.

One of the two small circles of the celestial sphere, situated on each side of the equator, at a distance of 23º 28min, and parallel to it, which the sun just reaches at its greatest declination north or south, and from which it turns again toward the equator, the northern circle being called the Tropic of Cancer, and…

To wreathe; to wind; to encircle; to unite by intertexture of parts. "Longing to twist bays with that ivy." Waller. There are pillars of smoke twisted about wreaths of flame. T. Burnet.

h 1 is made to stand in calculation; thus, in a table of natural sines, the radius of the circle is regarded as unity.