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arries; as: (a) A piece which communicates to an object in a lathe the motion of the face plate; a lathe dog. (b) A spool holder or bobbin holder in a braiding machine.

an the ostrich. Its head is armed with a kind of helmet of horny substance, consisting of plates overlapping each other, and it has a group of long sharp spines on each wing which are used as defensive organs. It is a shy bird, and runs with great rapidity. Other species inhabit New Guinea, Australia, etc.…

A double tripod (for holding a plate, etc.), having six feet, of which three rest on the ground, in whatever position in is placed.

An agent employed in catalysis, as platinum black, aluminium chloride, etc.

The armor or plate covering some fishes.

Covered with a cataphract, or armor of plates, scales, etc.; or with that which corresponds to this, as horny or bony plates, hard, callous skin, etc.

A method of making stereotype plates from inscribed sheets of wax.

A printing process of engraving on a surface of wax spread on a steel plate, for electrotyping.

A class of parasitic worms (Platelminthes) of which the tapeworms are the most common examples. The body is flattened, and usually but not always long, and composed of numerous joints or segments, each of which may contain a complete set of male and female reproductive organs. They have neither mouth nor intestine. See…

the genus Cestracion, and of related genera. The posterior teeth form a pavement of bony plates for crushing shellfish. Most of the species are extinct. The Port Jackson shark and a similar one found in California are living examples.

The Mysticete or whalebone whales, having no true teeth after birth, but with a series of plates of whalebone [see Baleen.] hanging down from the upper jaw on each side, thus making a strainer, through which they receive the small animals upon which they feed. (b) The Denticete, including the dolphins and sperm whale,…

t cables, anchors, etc. -- Chain bolt (a) (Naut.) The bolt at the lower end of the chain plate, which fastens it to the vessel's side. (b) A bolt with a chain attached for drawing it out of position. -- Chain bond. See Chain timber. -- Chain bridge, a bridge supported by chain cables; a suspension bridge. -- Chain…

An engraver on copper or brass; hence, an engraver of copper plates for printing upon paper.

The metal plate or tip which protects the end of a scabbard, belt, etc. Knight.

A bent piece of sheet iron, or a pin with thin plates on its ends, for holding a core in place in the mold.

les, perculiar in having a part of the vertebræ, ribs, and sternum united with the dermal plates so as to form a firm shell. The jaws are covered by a horny beak. See Reptilia; also, Illust. in Appendix.

One of a number of processes by which an impression from an engraved plate is obtained in relief, to be used for printing on an ordinary printing press.

The platforms, consisting of two or more planks doweled together, for the flooring of a temporary military bridge. Wilhelm. A singular, chess, is sometimes used. "Each chess consists of three planks." Farrow.

One of the round, or oval, horny plates on the inner sides of the legs of the horse, and allied animals.

A Mexican prickly poppy (Argemone platyceras), which has migrated into California.