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Gear. [Obs.] Chaucer.

The groove of a pulley. Gorge circle (Gearing), the outline of the smallest cross section of a hyperboloid of revolution. -- Gorge hook, two fishhooks, separated by a piece of lead. Knight.

The equipment of a draught or carriage horse, for drawing a wagon, coach, chaise, etc.; gear; tackling.

A frame mounted on the running gear of a wagon, and used in hauling hay, straw, sheaves, etc.; -- called also hay rigging.

h it can be suspended, as from the top of a wall. -- Hook motion (Steam Engin.), a valve gear which is reversed by V hooks. -- Hook squid, any squid which has the arms furnished with hooks, instead of suckers, as in the genera Enoploteuthis and Onychteuthis. -- Hook wrench, a wrench or spanner, having a hook at the…

A side bar used to strengthen portions of the running gear of a vehicle. To follow the hounds, to hunt with hounds.

- Hunting cat (Zoöl.), the cheetah. -- Hunting cog (Mach.), a tooth in the larger of two geared wheels which makes its number of teeth prime to the number in the smaller wheel, thus preventing the frequent meeting of the same pairs of teeth. -- Hunting dog (Zoöl.), the hyena dog. -- Hunting ground, a region or distr…

lley that only guides a belt and is not used to transmit power. -- Idle wheel (Mach.), a gear wheel placed between two others, to transfer motion from one to the other without changing the direction of revolution. -- In idle, in vain. [Obs.] "God saith, thou shalt not take the name of thy Lord God in idle." Chaucer.…

rcular rows of holes differently spaced; used in machines for graduating circles, cutting gear teeth, etc. -- Index prohibitorius Etym: [L.], or Prohibitory index (R. C. Ch.), a catalogue of books which are forbidden by the church to be read; the index expurgatorius Etym: [L.], or expurgatory index, is a catalogue of…

Situated between teeth; as, an interdental space, the space between two teeth in a gear wheel.

certain intervals; -- applied particularly to fever and ague. See Fever. -- Intermittent gearing (Mach.), gearing which receives, or produces, intermittent motion. -- Intermittent springs, springs which flow at intervals, not apparently dependent upon rain or drought. They probably owe their intermittent action to th…

lane; mesial. Internal angle (Geom.), an interior angle. See under Interior. -- Internal gear (Mach.), a gear in which the teeth project inward from the rim instead of outward.

A system of gearing driven by a horse power, for multiplying speed.

A gear; a tackle. (b) pl.

A secondary shaft, as in a sliding change gear for an automobile; a cam shaft operated by a two-to-one gear in an internal- combustion engine. It is generally a shaft moving more or less independently of the other parts of a machine, as, in some marine engines, a shaft, driven by a small auxiliary engine, for independe…

A valve gear, consisting of two eccentrics with their rods, giving motion to a slide valve by an adjustable connecting bar, called the link, in such a way that the motion of the engine can be reversed, or the cut-off varied, at will; -- used very generally in locomotives and marine engines.

A genus of longeared South American monkeys, including numerous species of marmosets. See Marmoset.

The shafting, gearing, and other driving machinery of mils.

ed; also, a square with an arm adjustable to any angle. -- Miter wheels, a pair of bevel gears, of equal diameter, adapted for working together, usually with their axes at right angles.

wheel, with wooden clogs inserted in mortises on its face or edge; -- also called mortise gear, and core gear.