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surrounding a disk moving flatwise through air; -- so called because the air has a cyclic motion as in vortex ring.

A ring-shaped mass of moving fluid which, by virtue of its motion of rotation around an axis disposed in circular form, attains a more or less distinct separation from the surrounding medium and has many of the properties of a solid.

vortically moving ring-shaped masses (or masses of other forms having a similar internal motion) of a homogeneous, incompressible, frictionless fluid. Various properties of such atoms (vortex atoms) can be mathematically deduced.

Of or pertaining to a vortex or vortexes; resembling a vortex in form or motion; whirling; as, a vortical motion. -- Vor"ti*cal*ly, adv.

Vortical; whirling; as, a vorticose motion.

A hobbling, unequal motion, as of a wheel unevenly hung; a staggering to and fro.

The act of waving; a wavelike motion; a waft. R. Browning. An angry wafture of your hand. Shak.

To be in action or motion; to move; to get along; to progress; to stir. [Colloq.] "Thus we may see," quoth he, "how the world wags." Shak.

To reel, sway, or move from side to side; to move with a wagging motion; to waddle. Why do you go nodding and waggling so L'Estrange.

To put in motion or action; to arouse; to excite. "I shall waken all this company." Chaucer. Lest fierce remembrance wake my sudden rage. Milton. Even Richard's crusade woke little interest in his island realm. J. R. Green.

To be in motion; to act; to move; to wag. [Obs.] "Her tongue did walk in foul reproach." Spenser. Do you think I'd walk in any plot B. Jonson. I heard a pen walking in the chimney behind the cloth. Latimer.

A dance performed by two persons in circular figures with a whirling motion; also, a piece of music composed in triple measure for this kind of dance.

Suffixes denoting course or direction to; motion or tendency toward; as in backward, or backwards; toward, or towards, etc.

A guarding or defensive motion or position, as in fencing; guard. "Thou knowest my old ward; here I lay, and thus I bore my point." Shak.

To fly with a bending or waving motion; to turn and wave, like a flock of birds or insects. A pitchy cloud Of locusts, warping on the eastern wind. Milton.

To waste or abrade by the force of water in motion; as, heavy rains wash a road or an embankment.

lt or screw to form a seat for the head or nut, or around a wagon axle to prevent endwise motion of the hub of the wheel and relieve friction, or in a joint to form a packing, etc.

To give heed to; to observe the actions or motions of, for any purpose; to keep in view; not to lose from sight and observation; as, to watch the progress of a bill in the legislature. Saul also sent messengers unto David's house to watch him, and to slay him. 1 Sam. xix. 11 I must cool a little, and watch my opportuni…

dle a revolving arm, which, by the action of a strong spring upon cogs, produces, when in motion, a loud, harsh, rattling sound.

A barometer in which the changes of atmospheric pressure are indicated by the motion of a column of water instead of mercury. It requires a column of water about thirty-three feet in height.