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In deep well boring, a device resembling two long chain links, for connecting a percussion drill to the rod or rope which works it, so that the drill is driven down by impact and is jerked loose when jammed.

a type, which is broken from it when the type is cold. Knight. Jet propeller (Naut.), a device for propelling vessels by means of a forcible jet of water ejected from the vessel, as by a centrifugal pump. -- Jet pump, a device in which a small jet of steam, air, water, or other fluid, in rapid motion, lifts or otherwi…

ious metal, and having enamel or precious stones as a part of its design. Plate of rare device, and jewels Of rich and exquisite form. Shak.

a. d.). From these tables it is possible to transform any Jewish date into Christian, or vice versa, for the years 1900-1935 a. d.

To hire or let by the job or for a period of service; as, to job a carriage. Thackeray.

Using opportunities of public service for private gain; as, a jobbing politician. London Sat. Rev. Jobbing house, a mercantile establishment which buys from importers, wholesalers or manufacturers, and sells to retailers. [U.S.]

gallery above such a screen, from which certain parts of the service were formerly read. See Rood loft, under Rood.

The small applelike berry of American trees of genus Amelanchier; -- also called service berry.

Rigged for temporary service. See Jury, a.

harge of. The crown of Stephanus, first king of Hungary, was always kept in the castle of Vicegrade. Knolles.

A ring, strap, clamp, or any device for holding an object in place; as: (a) The box on a door jamb into which the bolt of a lock protrudes, when shot. (b) A ring serving to keep another ring on the finger. (c) A loop near the buckle of a strap to receive the end of the strap.

h cotton cloth, used in making uniforms in the Anglo-Indian army. In the United States service the summer uniform of cotton is officially designated khaki; the winter uniform of wool, olive drab.

A governor or viceroy; -- a title granted in 1867 by the sultan of Turkey to the ruler of Egypt.

Something performed, or to be done, requiring aptness and dexterity; a trick; a device. "The knacks of japers." Chaucer. For how should equal colors do the knack ! Pope.

ght; specif., the amount of land the holding of which imposed the obligation of knight service, being sometimes a hide or less, sometimes six or more hides.

; to give out. "The horses were beginning to knock up under the fatigue of such severe service." De Quincey. -- To knock off, to cease, as from work; to desist. -- To knock under, to yield; to submit; to acknowledge one's self conquered; -- an expression probably borrowed from the practice of knocking under the table…

a cam or the like for disconnecting something, as a device in a knitting machine to remove loops from the needles.

The name given to the response to the Commandments, in the service of the Church of England and of the Protestant Episcopal Church.

e), the first word in the antiphone of the introit sung that day in the Roman Catholic service.

A device or mechanism for producing light by electricity. See Incandescent lamp, under Incandescent. Æolipile lamp, a hollow ball of copper containing alcohol which is converted into vapor by a lamp beneath, so as to make a powerful blowpipe flame when the vapor is ignited. Weale. -- Arc lamp (Elec.), a form of lamp i…