Dictionary.net

the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back"

a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin

the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back"

a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin

A sharp appendage to any of a plant; a thorn.

A rigid and sharp projection upon any part of an animal.

One of the rigid and undivided fin rays of a fish.

The backbone, or spinal column, of an animal; -- so called from the projecting processes upon the vertebrae.

Anything resembling the spine or backbone; a ridge.

The spinal or vertebral column.

The backbone; a thorny growth on a plant or animal.

1. A short sharp process of bone, a spinous process. 2. The backbone, the vertebral or spinal column. 3. The bar or stay in a horse's hoof.

See Spinal Column. Bony eminence or process.

A thorn: a thin, pointed spike, esp. in fishes: the backbone of an animal.

A thorn; pointed spike; backbone of an animal.

The back-bone of an animal; a thorn; a sharp process.

A spike or thorn; any thin sharp-pointed thing; the vertebral column or backbone, so called from its series of thorn-like processes; in bot., an abortive branch with a hard sharp point.

The backbone ; the vertebral column ; a sharp-pointed process or outgrowth as found on leaves, Echinoids, Porcupines ; the pointed process of a vertebra ; the scapular ridge ; a fin-ray.

Vertebral column- s. Curvature of the, Gibbositas-s. Haemal, Sternum- s. Neural, Spinous process.

A slender thorn-like process of bone.

The vertebral column.

A hard, sharp projection.

The vertebral column; so called from the spinous processes of the vertebrae.

n. [Latin] A sharp process from the woody part of a plant; a thorn ;-a rigid, jointed spike upon any part of an animal ;-the back-bone or spinal column of an animal.