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One of the radiating spines, or cartilages, supporting the fins of fishes.

ensibility (Physiol.), the sensibility manifested by the anterior, or motor, roots of the spinal cord (their stimulation causing pain) owing to the presence of sensory fibers from the corresponding sensory or posterior roots.

The act of resping or breathing; the act of taking in and giving out air; the aggregate of those processes bu which oxygen is introduced into the system, and carbon dioxide, or carbonic acid, removed.

Any spider which spins webs to catch its prey.

A group of spiders which spin irregular webs; -- called also Retitelariæ.

Having gular teeth formed by a peculiar modification of the inferior spines of some of the vertebræ, as certain South African snakes (Dasypelits) which swallow birds' eggs and use these gular teeth to crush them.

The spine.

A disease which affects children, and which is characterized by a bulky head, crooked spine and limbs, depressed ribs, enlarged and spongy articular epiphyses, tumid abdomen, and short stature, together with clear and often premature mental faculties. The essential cause of the disease appears to be the nondeposition o…

hippopotamus. -- River jack (Zoöl.), an African puff adder (Clotho nasicornis) having a spine on the nose. -- River limpet (Zoöl.), a fresh-water, air-breathing mollusk of the genus Ancylus, having a limpet-shaped shell. -- River pirate (Zoöl.), the pike. -- River snail (Zoöl.), any species of fresh-water gastropo…

A distaff used in spinning; the staff or frame about which flax is arranged, and from which the thread is drawn in spinning. Chapman. Sad Clotho held the rocke, the whiles the thread By grisly Lachesis was spun with pain, That cruel Atropos eftsoon undid. Spenser.

-- Rose beetle. (Zoöl.) (a) A small yellowish or buff longlegged beetle (Macrodactylus subspinosus), which eats the leaves of various plants, and is often very injurious to rosebushes, apple trees, grapevines, etc. Called also rose bug, and rose chafer. (b) The European chafer. -- Rose bug. (Zoöl.) same as Rose beetle…

The anterior, often spinelike, prolongation of the carapace of a crustacean, as in the lobster and the prawn.

wist slightly; to bring together, as slivers of wool or cotton, and twist slightly before spinning.

hine for drawing and twisting roves and twisting roves and winding them on bobbin for the spinning machine.

ackish on the back; grayish below. Called also dunbird, dundiver, ruddy diver, stifftail, spinetail, hardhead, sleepy duck, fool duck, spoonbill, etc. -- Ruddy plover (Zoöl.) the sanderling.

A kind of coarse, heavy frieze, formerly used for garments. They spin the choicest rug in Ireland. A friend of mine . . . repaired to Paris Garden clad in one of these Waterford rugs. The mastiffs, . . . deeming he had been a bear, would fain have baited him. Holinshed.

e of iron crossing the hole in the upper millstone by which the stone is supported on the spindle.

Having a straight shaft with whorls of spines; -- said of certain sponge spicules. See Illust. under Spicule.

Hardening of the cell wall by lignification. Cerebro-spinal sclerosis (Med.), an affection in which patches of hardening, produced by increase of the neuroglia and atrophy of the true nerve tissue, are found scattered throughout the brain and spinal cord. It is associated with complete or partial paralysis, a peculiar…

Having the form of, or resembling, sawdust or raspings.