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An instrument which conveys the charge of a piece of ordnance and forces it home.

A surgical instrument of various forms, commonly sharp-pointed and two-edged, used in venesection, and in opening abscesses, etc.

The expression of ideas by writing, or any other instrumentality.

An instrument for recording the larynx movements in speech.

An instrument, consisting of an arrangement of two mirrors, for reflecting light upon the larynx, and for examining its image.

An instrument for performing laryngotomy.

y, and only by a strong exertion of the will; languor; debility; weariness. The corporeal instruments of action being strained to a high pitch . . . will soon feel a lassitude. Barrow.

r the people. -- Law Latin, that kind of late, or low, Latin, used in statutes and legal instruments; -- often barbarous.

A kind of hooked instrument for untwisting old cordage.

one curved and the other plane, and commonly used, either singly or combined, in optical instruments, for changing the direction of rays of light, and thus magnifying objects, or otherwise modifying vision. In practice, the curved surfaces are usually spherical, though rarely cylindrical, or of some other figure. Lens…

n the end, used in making the matrices for type. -- Letters of administration (Law), the instrument by which an administrator or administratrix is authorized to administer the goods and estate of a deceased person. -- Letter of attorney, Letter of credit, etc. See under Attorney, Credit, etc. -- Letter of license, a…

An instrument, devised by Professor Helmholtz, for testing the color perception of the eye, or for comparing different lights, as to their constituent color or their relative whiteness.

A surgical instrument used to raise a depressed part of the skull.

An instrument by which to find a horizontal line, or adjust something with reference to a horizontal line.

The art or operation of using a leveling instrument for finding a horizontal line, for ascertaining the differences of level between different points of the earth's surface included in a survey, for establishing grades, etc., as in finding the descent of a river, or locating a line of railroad. Leveling instrument. See…

A level, or leveling instrument.

An instrument for ligating, or for placing and fastening a ligature.

lace where a wire enters a building, for preventing injury by lightning to an operator or instrument. It consists of a short circuit to the ground interrupted by a thin nonconductor over which lightning jumps. Called also lightning discharger. -- Lightning bug (Zoöl.), a luminous beetle. See Firefly. -- Lightning con…

The graduated margin of an arc or circle, in an instrument for measuring angles.

An instrument for crushing stones in the bladder.