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Spineless, as certain fishes.

One of the anchor-shaped spicules of certain sponges; also, one of the calcareous spinules of certain Holothurians, as in species of Synapta. Anchor ice. See under Ice. -- Anchor ring. (Math.) Same as Annulus, 2 (b). -- Anchor stock (Naut.), the crossbar at the top of the shank at right angles to the arms. -- The an…

The candied leaf stalks of angelica. Angelica tree, a thorny North American shrub (Aralia spinosa), called also Hercules' club.

clinal vertebra (Anat.), one of the dorsal vertebræ, which in many animals has an upright spine toward which the spines of the neighboring vertebræ are inclined.

A division of Amphineura in which the body is naked or covered with slender spines or setæ, but is without shelly plates.

The act of grasping with the intellect; the contemplation of things, without affirming, denying, or passing any judgment; intellection; perception. Simple apprehension denotes no more than the soul's naked intellection of an object. Glanvill.

Pertaining to a thin membrane of the brain and spinal cord, between the dura mater and pia mater.

An axle or spindle of a wheel or opinion.

Having a slender, sharp, or spinelike tip.

n; to rouse; to excite; as, to arouse one from sleep; to arouse the dormant faculties. Grasping his spear, forth issued to arouse His brother, mighty sovereign on the host. Cowper. No suspicion was aroused. Merivale.

The pin or spindle on which a wheel revolves, or which revolves with a wheel.

A spindle or axle of a wheel. [Obs.]

In human beings, the hinder part of the body, extending from the neck to the end of the spine; in other animals, that part of the body which corresponds most nearly to such part of a human being; as, the back of a horse, fish, or lobster.

The column of bones in the back which sustains and gives firmness to the frame; the spine; the vertebral or spinal column.

A variety of spinel ruby, of a pale rose red, or inclining to orange. See Spinel.

A small fish, the three-spined stickleback.

An edible, spiny-finned fish, esp. of the genera Roccus, Labrax, and related genera. There are many species.

vespertilio of the Atlantic coast. (b) The flying gurnard of the Atlantic (Cephalacanthus spinarella). (c) The California batfish or sting ray (Myliobatis Californicus.)

Batrachidæ, a family of marine fishes, including the toadfish. Some have poisonous dorsal spines.

To revolve or cause to revolve; to spin. [Scot.] Sir W. Scott.