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brain    音標拼音: [br'en]
n. 頭腦,電腦,智慧

頭腦,電腦,智慧

brain
大腦

brain


brain
n 1: that part of the central nervous system that includes all
the higher nervous centers; enclosed within the skull;
continuous with the spinal cord [synonym: {brain},
{encephalon}]
2: mental ability; "he's got plenty of brains but no common
sense" [synonym: {brain}, {brainpower}, {learning ability},
{mental capacity}, {mentality}, {wit}]
3: that which is responsible for one's thoughts and feelings;
the seat of the faculty of reason; "his mind wandered"; "I
couldn't get his words out of my head" [synonym: {mind}, {head},
{brain}, {psyche}, {nous}]
4: someone who has exceptional intellectual ability and
originality; "Mozart was a child genius"; "he's smart but
he's no Einstein" [synonym: {genius}, {mastermind}, {brain},
{brainiac}, {Einstein}]
5: the brain of certain animals used as meat
v 1: hit on the head
2: kill by smashing someone's skull

Brain \Brain\ (br[=a]n), n. [OE. brain, brein, AS. bragen,
br[ae]gen; akin to LG. br[aum]gen, bregen, D. brein, and
perh. to Gr. bre`gma, brechmo`s, the upper part of head, if
[beta] = [phi]. [root]95.]
[1913 Webster]
1. (Anat.) 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.
[1913 Webster]

Note: In the brain of man the cerebral lobes, or largest part
of the forebrain, are enormously developed so as to
overhang the cerebellum, the great lobe of the
hindbrain, and completely cover the lobes of the
midbrain. The surface of the cerebrum is divided into
irregular ridges, or convolutions, separated by grooves
(the so-called fissures and sulci), and the two
hemispheres are connected at the bottom of the
longitudinal fissure by a great transverse band of
nervous matter, the corpus callosum, while the two
halves of the cerebellum are connected on the under
side of the brain by the bridge, or pons Varolii.
[1913 Webster]

2. (Zool.) The anterior or cephalic ganglion in insects and
other invertebrates.
[1913 Webster]

3. The organ or seat of intellect; hence, the understanding;
as, use your brains. " My brain is too dull." --Sir W.
Scott.
[1913 Webster]

Note: In this sense, often used in the plural.
[1913 Webster]

4. The affections; fancy; imagination. [R.] --Shak.
[1913 Webster]

5. a very intelligent person. [informal]
[PJC]

6. the controlling electronic mechanism for a robot, guided
missile, computer, or other device exhibiting some degree
of self-regulation. [informal]
[PJC]

{To have on the brain}, to have constantly in one's thoughts,
as a sort of monomania. [Low]

{no-brainer} a decision requiring little or no thought; an
obvious choice. [slang]
[1913 Webster]

{Brain box} or {Brain case}, the bony or cartilaginous case
inclosing the brain.

{Brain coral}, {Brain stone coral} (Zool.), a massive
reef-building coral having the surface covered by ridges
separated by furrows so as to resemble somewhat the
surface of the brain, esp. such corals of the genera
{M[ae]andrina} and {Diploria}.

{Brain fag} (Med.), brain weariness. See {Cerebropathy}.

{Brain fever} (Med.), fever in which the brain is specially
affected; any acute cerebral affection attended by fever.


{Brain sand}, calcareous matter found in the pineal gland.
[1913 Webster]


Brain \Brain\ (br[=a]n), v. t. [imp. & p. p. {Brained}
(br[=a]nd); p. pr. & vb. n. {Braining}.]
[1913 Webster]
1. To dash out the brains of; to kill by beating out the
brains. Hence, Fig.: To destroy; to put an end to; to
defeat.
[1913 Webster]

There thou mayst brain him. --Shak.
[1913 Webster]

It was the swift celerity of the death . . .
That brained my purpose. --Shak.
[1913 Webster]

2. To conceive; to understand. [Obs.]
[1913 Webster]

'T is still a dream, or else such stuff as madmen
Tongue, and brain not. --Shak.
[1913 Webster]

160 Moby Thesaurus words for "brain":
Vernunft, abdomen, acumen, afferent neuron, anus, appendix,
autonomic nervous system, axon, bean, blind gut, blow to pieces,
blow up, bowels, brains, bring down, burn to death, capacity,
cecum, central nervous system, cerebral cortex, cognition, colon,
conception, consciousness, craniosacral nervous system, cut down,
cut to pieces, deal a deathblow, dendrite, discernment,
discourse of reason, discursive reason, disintegrate, drop,
duodenum, effector organ, efferent neuron, encephalon, endocardium,
entrails, esprit, fell, foregut, frag, ganglion, genius, giblets,
give the quietus, gizzard, gray matter, gun down, guts, head,
headpiece, heart, hindgut, imagination, incinerate, innards,
inner mechanism, insides, intellect, intellection, intellectual,
intellectual faculty, intelligence, internals, internuncial neuron,
intestine, inwards, jejunum, jugulate, kidney, kishkes, knowledge,
lapidate, large intestine, lay low, leader, liver,
liver and lights, lung, mastermind, medullary sheath, mens,
mental capacity, mentality, midgut, mind, mother wit, nerve,
nerve trunk, nervous system, neuron, noddle, noggin, noodle, nous,
organ of thought, pate, perception, perceptiveness, percipience,
perineum, peripheral nervous system, perspicacity, pistol, planner,
plexus, poleax, power of reason, psyche, pump, pylorus, ratio,
rationality, reason, reasoning, reasoning faculty, rectum, riddle,
sagacity, sconce, seat of thought, sensation, sense, sensorium,
sensory, sensory area, sensory cell, shoot, shoot down,
shoot to death, shotgun, silence, small intestine, smarts,
solar plexus, spinal cord, spleen, stab to death, stomach, stone,
stone to death, strike dead, synapse, thoracolumbar nervous system,
thought, ticker, tripes, understanding, vaporize,
vermiform appendix, viscera, vitals, white matter, wisdom,
wise man, wit, works



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