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Raspings of ivory, hartshorn, metals, or other hard substance. Chambers.

A lateral curvature of the spine.

merican birds constituting the family Anhimidæ, and the suborder Palamedeæ. They have two spines on each wing, and the head is either crested or horned. They are easily tamed, and then serve as guardians for other poultry. The crested screamers, or chajas, belong to the genus Chauna. The horned screamer, or kamichi, is…

h.) See under Linen. -- Scroll chuck (Mach.), an adjustable chuck, applicable to a lathe spindle, for centering and holding work, in which the jaws are adjusted and tightened simultaneously by turning a disk having in its face a spiral groove which is entered by teeth on the backs of the jaws. -- Scroll saw. See unde…

ottoid fishes of the genus Cottus, or Acanthocottus, having a large head armed with sharp spines, and a broad mouth. They are generally mottled with yellow, brown, and black. Several species are found on the Atlantic coasts of Europe and America.

The European fifteen-spined stickleback (Gasterosteus spinachia); -- called also bismore.

Any crustacean of the genus Palinurus and allied genera, as the European spiny lobster (P. vulgaris), which is much used as an article of food. See Lobster.

Any fish of the genus Diodon, and allied genera, whose body is covered with spines. See Illust. under Diodon.

A European sculpin (Cottus scorpius) having the head armed with short spines.

The act of taking or grasping suddenly.

nsation and volition; -- applied to those nerve fibers which pass to and from the cerebro-spinal axis, and are respectively concerned in sensation and volition. Dunglison.

more or less rigid, bristlelike organ or part; as the hairs of a caterpillar, the slender spines of a crustacean, the hairlike processes of a protozoan, the bristles or stiff hairs on the leaves of some plants, or the pedicel of the capsule of a moss.

nat.), a joint formed by a bony ring passing through a hole in a bone, as at the bases of spines in some fishes.

s and pack the staves. -- To shake hands, to perform the customary act of civility by clasping and moving hands, as an expression of greeting, farewell, good will, agreement, etc. -- To shake out a reef (Naut.), to untile the reef points and spread more canvas. -- To shake the bells. See under Bell. -- To shake the…

an Australian plant (Acæna ovina) related to the burnet. The fruit is covered with barbed spines, by which it adheres to the wool of sheep. -- Sheep run, an extensive tract of country where sheep range and graze. -- Sheep's beard (Bot.), a cichoraceous herb (Urospermum Dalechampii) of Southern Europe; -- so called fr…

A spindle. [Obs. or Prov. Eng.]

of numerous species of marine gastropods of the genus Volva, or Radius, having a smooth, spindle- shaped shell prolonged into a channel at each end.

disparity in the sizes of the sexes. -- Silk thrower, Silk throwster, one who twists or spins silk, and prepares it for weaving. Brande & C. -- Silk tree (Bot.), an Asiatic leguminous tree (Albizzia Julibrissin) with finely bipinnate leaves, and large flat pods; -- so called because of the abundant long silky stamen…

The larva of any one of numerous species of bombycid moths, which spins a large amount of strong silk in constructing its cocoon before changing to a pupa.

A small green and yellow European finch (Spinus spinus, or Carduelis spinus); -- called also aberdevine.