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All; -- a direction for all the singers or players to perform together. Moore (Encyc. of Music).

To change the direction of. [Obs.] Fairfax.

Capable of being thrown or cranked in two directions, usually opposite to one another; as, a two-throw crank; a two-throw switch.

sections are all equal to each other. A sphere may be osculatory to the surface in every direction at an umbilicus. Called also umbilic.

A current below the surface of water, sometimes flowing in a contrary direction to that on the surface. Totten.

Not directed; not guided; left without direction.

tinuously among its particles, but with no translation of the particles themselves in the direction of the propagation of the wave; a wave motion; a vibration.

rmer, that of color on the latter. The undulations are supposed to take place, not in the direction of propagation, as in the air waves constituting sound, but transversely, and the various phenomena of refraction, polarization, interference, etc., are attributable to the different affections of these undulations in di…

give rotary motion to the other when forming an angle with it, or may move freely in all directions with respect to the other, as by means of a cross connecting the forked ends of the two shafts (Fig. 1). Since this joint can not act when the angle of the shafts is less than 140º, a double joint of the same kind is so…

Aloft; on high; in a direction contrary to that of gravity; toward or in a higher place or position; above; -- the opposite of Ant: down. But up or down, By center or eccentric, hard to tell. Milton.

A train going in the direction of the metropolis or the main terminus. [Eng.]

In an upcountry direction; as, to live upcountry. [Colloq.]

To have an upward direction or inclination. Uprose the mystic mountain range. Tennyson.

In a direction from lower to higher; toward a higher place; in a course toward the source or origin; -- opposed to downward; as, to tend or roll upward. I. Watts. Looking inward, we are stricken dumb; looking upward, we speak and prevail. Hooker.

Floating about without any certain direction; driven to and fro. To heaven their prayers Flew up, nor missed the way, by envious winds Blown vagabond or frustrate. Milton.

Moving without certain direction; wandering; erratic; unsettled. That beauteous Emma vagrant courses took. Prior. While leading this vagrant and miserable life, Johnson fell in live. Macaulay.

he place of meeting of two slopes of a roof, which have their plates running in different directions, and form on the plan a reëntrant angle.

s, flaps, or folds, which permit the passage of the contents of a vessel or cavity in one direction, but stop or retard the flow in the opposite direction; as, the ileocolic, mitral, and semilunar valves.

e angle included between the true and magnetic meridians of a place; the deviation of the direction of a magnetic needle from the true north and south line; -- called also declination of the needle.

tity, as a straight line, a force, or a velocity. Vectors are said to be equal when their directions are the same their magnitudes equal. Cf. Scalar.