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The soft naked sheath at the base of the beak of birds of prey, parrots, and some other birds. See Beak.

Of or pertaining to the grasses which are cultivated for their edible seeds (as wheat, maize, rice, etc.), or to their seeds or grain.

Public festivals in honor of Ceres.

A nitrogenous substance closely resembling diastase, obtained from bran, and possessing the power of converting starch into dextrin, sugar, and lactic acid. Watts.

The cerebellum. Derham.

Pertaining to the cerebellum.

The large lobe of the hind brain in front of and above the medulla; the little brain. It controls combined muscular action. See Brain.

Of or pertaining to the cerebrum. Cerebral apoplexy. See under Apoplexy.

The doctrine or theory that psychical phenomena are functions or products of the brain only.

One who accepts cerebralism.

To exhibit mental activity; to have the brain in action.

Action of the brain, whether conscious or unconscious.

Of, pertaining to, or derived from, the brain. Cerebric acid (Physiol. Chem.), a name formerly sometimes given to cerebrin.

Brain power. [R.]

Like the brain in form or substance.

Applied to those nerve fibers which go from the brain to the spinal cord, and so transfer cerebral impulses (centrifugal impressions) outwards.

A nonphosphorized, nitrogenous substance, obtained from brain and nerve tissue by extraction with boiling alcohol. It is uncertain whether it exists as such in nerve tissue, or is a product of the decomposition of some more complex substance.

Applied to those nerve fibers which go from the spinal cord to the brain and so transfer sensations (centripetal impressions) from the exterior inwards.

Inflammation of the cerebrum.

Of or pertaining to the central nervous system consisting of the brain and spinal cord. Cerebro-spinal fluid (Physiol.), a serous fluid secreted by the membranes covering the brain and spinal cord. -- Cerebro-spinal meningitis, Cerebro-spinal fever (Med.), a dangerous epidemic, and endemic, febrile disease, characteri…