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A balloon.

Aërial navigation; the art of raising and guiding balloons in the air.

Any device, as a balloon, aëroplane, etc., for floating in, or flying through, the air.

Halloo. [Obs.] Spenser.

An abnormal condition due to deficient aëration of the blood, as in balloon sickness, mountain sickness. -- An`ox*æ"mic, *e"mic (#), a.

ension; connected with ascent; ascensive; tending upward; as, the ascensional power of a balloon. Ascensional difference (Astron.), the difference between oblique and right ascension; -- used chiefly as expressing the difference between the time of the rising or setting of a body and six o'clock, or six hours from its…

Any heavy matter put into the car of a balloon to give it steadiness.

In a balloon, the braced wooden ring attached to the suspension ropes at the bottom, functionally analogous to the keel of a ship.

its body with water or air, so as to resemble a chestnut bur; -- called also ball fish, balloon fish, and swellfish.

e crushed in together; as, a flue in the boiler of a steam engine sometimes collapses. A balloon collapses when the gas escapes from it. Maunder.

Capable of being directed; steerable; as, a dirigible balloon.

s by, a current of water or air; as, the ship drifted astern; a raft drifted ashore; the balloon drifts slowly east. We drifted o'er the harbor bar. Coleridge.

g fire by smothering it with some incombustible vapor or gas, as carbonic acid. -- Fire balloon. (a) A balloon raised in the air by the buoyancy of air heated by a fire placed in the lower part. (b) A balloon sent up at night with fireworks which ignite at a regulated height. Simmonds. -- Fire bar, a grate bar. -- F…

ng or scheming. [Obs.] John the bastard Whose spirits toil in frame of villainies. Shak. Balloon frame, Cant frames, etc. See under Balloon, Cant, etc. -- Frame building or house, a building of which the form and support is made of framed timbers. [U.S.] -- Frame level, a mason's level. -- Frame saw, a thin saw stret…

der (Zoöl.), any small or young spider which spins webs by which to sail in the air. See Ballooning spider.

A rope hung from a balloon or dirigible so as trail along the ground for about half its length, used to preserve altitude automatically, by variation of the length dragging on the ground, without loss of ballast or gas.

spiral motion; motion about an axis; rotation; revolution. The gyrations of an ascending balloon. De Quincey. If a burning coal be nimbly moved round in a circle, with gyrations continually repeated, the whole circle will appear like fire. Sir I. Newton.

See Halloo.

Help! Halloo! An exclamation of distress; a call for succor;- the ancient Norman hue and cry. "Harrow and well away!" Spenser. Harrow! alas! here lies my fellow slain. Chaucer.

See Halloo.