[1] : The Collaborative International Dictionary of English v.0.48

nervous \nerv"ous\ n~erv"u^s, a. l. nervosus sinewy,
   vigorous: cf. f. nerveux. see nerve.
   1. possessing nerve; sinewy; strong; vigorous. "nervous
      arms." --pope.
      1913 webster

   2. possessing or manifesting vigor of mind; characterized by
      strength in sentiment or style; forcible; spirited; as, a
      nervous writer.
      1913 webster

   3. of or pertaining to the nerves; seated in the nerves; as,
      nervous excitement; a nervous fever.
      1913 webster

   4. having the nerves weak, diseased, or easily excited;
      subject to, or suffering from, undue excitement of the
      nerves; easily agitated or annoyed.
      1913 webster

            poor, weak, nervous creatures.        --cheyne.
      1913 webster

   5. sensitive; excitable; timid.
      1913 webster

   6. apprehensive; as, a child nervous about his mother's
      reaction to his bad report card.
      pjc

            our aristocratic class does not firmly protest
            against the unfair treatment of irish catholics,
            because it is nervous about the land. --m. arnold.
      1913 webster

   nervous fever med., a low form of fever characterized by
      great disturbance of the nervous system, as evinced by
      delirium, or stupor, disordered sensibility, etc.

   nervous system anat., the specialized coordinating
      apparatus which endows animals with sensation and
      volition. in vertebrates it is often divided into three
      systems: the central, brain and spinal cord; the
      peripheral, cranial and spinal nerves; and the
      sympathetic. see brain, nerve, spinal cord, under
      spinal, and sympathetic system, under sympathetic,
      and illust. in appendix.

   nervous temperament, a condition of body characterized by a
      general predominance of mental manifestations. --mayne.
      1913 webster
see also:
nerve nervous fever nervous system brain spinal cord spinal 
sympathetic system sympathetic nervous temperament 

[2] : WordNet (r) 2.0

nervous system
     n : the sensory and control apparatus consisting of a network of
         nerve cells syn: systema nervosum
see also:
systema nervosum 

[3] : Moby Thesaurus II by Grady Ward, 1.0

27 moby thesaurus words for "nervous system":
   afferent neuron, autonomic nervous system, axon, brain,
   central nervous system, cerebral cortex,
   craniosacral nervous system, dendrite, effector organ,
   efferent neuron, ganglion, gray matter, internuncial neuron,
   medullary sheath, nerve, nerve trunk, neuron,
   peripheral nervous system, plexus, sensorium, sensory area,
   sensory cell, solar plexus, spinal cord, synapse,
   thoracolumbar nervous system, white matter

Nervous System >> N Words
Nervous System, definition of term: Nervous System
nervous+system_pag1.html

Nervous >> N Words
Nervous, definition of term: Nervous
nervous_pag1.html

Nervous Breakdo >> N Words
Nervous Breakdo, definition of term: Nervous Breakdo
nervous+breakdo_pag1.html

Nervous Exhaust >> N Words
Nervous Exhaust, definition of term: Nervous Exhaust
nervous+exhaust_pag1.html

Jury System >> J Words
Jury System, definition of term: Jury System
jury+system_pag1.html

Heating System >> H Words
Heating System, definition of term: Heating System
heating+system_pag1.html

File System >> F Words
File System, definition of term: File System
file+system_pag1.html

Legacy System >> L Words
Legacy System, definition of term: Legacy System
legacy+system_pag1.html

Metric System >> M Words
Metric System, definition of term: Metric System
metric+system_pag1.html

Alarm System >> A Words
Alarm System, definition of term: Alarm System
alarm+system_pag1.html

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