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r of sea urchins found in the Paleozoic rocks. They had more than twenty vertical rows of plates. Called also Palæechini. [Written also Palæechinoidea.]

One of the plates covering the points of junction at the bend of the shoulders and elbows. Fairholt.

One of a pair of shelly plates that protect the siphon tubes of certain bivalves, as the Teredo. See Illust. of Teredo.

One of the bifurcations of the brachial plates of a crinoid.

One of the numerous small hollow processes of the integument between the plates of starfishes.

A high, bleak plateau or district, with stunted trees, and cold, damp atmosphere, as in the Andes, in South America.

A special plate situated on the sides of the mesothorax and metathorax of certain insects.

One of the special scales, or plates, covering the back of the head in certain reptiles and fishes.

as a steam boiler, consisting of soft material, as putty, covered and held in place by a plate bolted or riveted fast.

A plate. [Obs.]

A plate. See Paten. "Inlaid with patines of bright gold." Shak.

A dish or plate of metal or earthenware; a patella.

o put in pawn; to pledge; as, to pawn one's watch. And pawned the last remaining piece of plate. Dryden.

A breastplate, esp. that worn by the Jewish high person.

A genus of small fishes, having large pectoral fins, and the body covered with hard, bony plates. Several species are known from the East Indies and China.

wheel arranged to roll along over the ground, with an apparatus of clockwork, and a dial plate upon which the distance traveled is shown by an index. See Odometer.

The breastplate of a horse's armor or harness. [Spelt also peitrel.] See Poitrel. [Obs.] Chaucer.

e membrane records the movements of the latter, as it vibrates, upon a moving cylinder or plate.

ith some material easily indented, as tinfoil, wax, paraffin, etc., above which is a thin plate carrying a stylus. As the plate vibrates under the influence of a sound, the stylus makes minute indentations or undulations in the soft material, and these, when the cylinder or disk is again turned, set the plate in vibrat…

An electrotype plate formed in a mold made by photographing on prepared gelatine, etc.