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A large division of Articulata, embracing all those that have jointed legs. It includes Insects, Arachnida, Pychnogonida, and Crustacea. -- Ar*throp"o*dal, a.

A strong scalpel used in the dissection of joints.

Of or pertaining to the joints; as, an articular disease; an articular process.

Jointed; formed with joints; consisting of segments united by joints; as, articulate animals or plants.

United by, or provided with, articulations; jointed; as, an articulated skeleton.

After the manner, or in the form, of a joint.

A joint or juncture between bones in the skeleton.

A joint of the cirri of the Crinoidea; a joint or segment of an arthropod appendage.

or the angle formed by the rays of light proceeding from them and meeting at the eye; the joint look of planets or stars upon each other or upon the earth. Milton.

A microscopic vegetable organism, belonging to the class Algæ, usually in the form of a jointed rodlike filament, and found in putrefying organic infusions. Bacteria are destitute of chlorophyll, and are the smallest of microscopic organisms. They are very widely diffused in nature, and multiply with marvelous rapidity…

The globe or earth. Pope. Move round the dark terrestrial ball. Addison. Ball and socket joint, a joint in which a ball moves within a socket, so as to admit of motion in every direction within certain limits. -- Ball bearings, a mechanical device for lessening the friction of axle bearings by means of small loose met…

A fund from deposits or contributions, to be used in transacting business; a joint stock or capital. [Obs.] Let it be no bank or common stock, but every man be master of his own money. Bacon.

The second joint of the antennæ of crustaceans.

The basal joint of the legs of Crustacea.

face on a brevier body. -- Bastard wing (Zoöl.), three to five quill feathers on a small joint corresponding to the thumb in some mam malia; the alula.

es to engage or disengage parts of the machinery. Bayonet clutch. See Clutch. -- Bayonet joint, a form of coupling similar to that by which a bayonet is fixed on the barrel of a musket. Knight.

A cement used in making joints, filling cracks, etc. For iron, the principal constituents are iron borings and sal ammoniac; for wood, white lead or litharge, whiting, and linseed oil.

her forming a part of the helmet or fixed to the breastplate. It was so constructed (with joints or otherwise) that the wearer could raise or lower it to eat and drink.

An instrument consisting of two rules or arms, jointed together at one end, and opening to any angle, for adjusting the surfaces of work to the same or a given inclination; -- called also a bevel square. Gwilt.

Having, or consisting of, tow joints.