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The act of impelling, or driving onward with sudden force; impulsion; especially, force so communicated as to produced motion suddenly, or immediately. All spontaneous animal motion is performed by mechanical impulse. S. Clarke.

The act of impelling or driving onward, or the state of being impelled; the sudden or momentary agency of a body in motion on another body; also, the impelling force, or impulse. "The impulsion of the air." Bacon.

Having the power of driving or impelling; giving an impulse; moving; impellent. Poor men! poor papers! We and they Do some impulsive force obey. Prior.

To exhaust by overdriving or long-continued labor of any kind; to tire or wear out by severe or tedious tasks; to harass. The mind, once jaded by an attempt above its power, . . . checks at any vigorous undertaking ever after. Locke.

going over rough ground, or on a high-trotting horse; as, the horse jolts the rider; fast driving jolts the carriage and the passengers.

To jolt; to shake, especially by rough riding or by driving over obstructions.

rancis. To key up. (a) (Arch.) To raise (the whole ring of an arch) off its centering, by driving in the keystone forcibly. (b) (Mus.) To raise the pitch of. (c) Hence, fig., to produce nervous tension in.

pendence, or under the guidance of others. -- Leading wheel, a wheel situated before the driving wheels of a locomotive engine.

substance, usually called quicklime, obtained by calcining limestone or shells, the heat driving off carbon dioxide and leaving lime. It develops great heat when treated with water, forming slacked lime, and is an essential ingredient of cement, plastering, mortar, etc.CaO

The keeping of horses in readiness to be hired temporarily for riding or driving; the state of being so kept. Pegasus does not stand at livery even at the largest establishment in Moorfields. Lowell.

A large heavy wooden beetle; a mallet for driving anything with force; a maul. Addison.

A small maul with a short handle, -- used esp. for driving a tool, as a chisel or the like; also, a light beetle with a long handle, -- used in playing croquet.

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

A heavy locomotive for freight traffic, having three pairs of connected driving wheels and a two-wheeled truck. Great, or Grand, Mogul, the sovereign of the empire founded in Hindostan by the Mongols under Baber in the sixteenth century. Hence, a very important personage; a lord; -- sometimes only mogul. Dryden.…

The combination consisting of a generator and a driving motor mechanically connected, usually on a common bedplate and with the two shafts directly coupled or combined into a single shaft.

Act or recreation of riding in or driving a motor car or automobile.

rm loaded at the breech with a cartridge carrying its own fulminate, which is exploded by driving a slender needle, or pin, into it. -- Needle loom (Weaving), a loom in which the weft thread is carried through the shed by a long eye-pointed needle instead of by a shuttle. -- Needle ore (Min.), acicular bismuth; a sul…

ff year in politics. "In the off season." Thackeray. Off side. (a) The right hand side in driving; the farther side. See Gee. (b) (Cricket) See Off, n.

A goad for driving oxen.

The act or practice of driving piles or posts into the ground to make it firm. [R.] Sir H. Wotton.