brain
n.
main organ of the central nervous system, intellect, mind
v.
smash or crush the skull
Brain
In animals, the brain or encephalon (
Greek for "in the skull"), is the control center of the
central nervous system, responsible for
behavior. The brain is located in the head, protected by the
skull and close to the primary sensory apparatus of
vision,
hearing,
equilibrioception (balance), sense of
taste, and
olfaction. While all
vertebrates have a brain, most
invertebrates have either a centralized brain or collections of individual
ganglia. Primitive animals such as
sponges do not have a brain at all. Brains can be extremely complex. For example, the
human brain contains more than 100 billion
neurons, each linked to as many as 10,000 other
neurons.
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Brain
n.
brain, main organ of the central nervous system, intellect, mind
Brain
(v. t.)
To dash out the brains of; to kill by beating out the brains. Hence, Fig.: To destroy; to put an end to; to defeat.
(v. t.)
To conceive; to understand.
(n.)
The whitish mass of soft matter (the center of the nervous system, and the seat of consciousness and volition) which is inclosed in the cartilaginous or bony cranium of vertebrate animals. It is simply the anterior termination of the spinal cord, and is developed from three embryonic vesicles, whose cavities are connected with the central canal of the cord; the cavities of the vesicles become the central cavities, or ventricles, and the walls thicken unequally and become the three segments, the fore-, mid-, and hind-brain.
(n.)
The organ or seat of intellect; hence, the understanding.
(n.)
The anterior or cephalic ganglion in insects and other invertebrates.
(n.)
The affections; fancy; imagination.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
About
Brain
The brain is that portion of the central nervous system that is located within the skull. It functions as a primary receiver, organizer and distributor of information for the body. It has two (right and left) halves called "hemispheres."