Nervous system

Nervous system
Nervous Nerv"ous (n[~e]rv"[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 co["o]rdinating 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]


The Collaborative International Dictionary of English. 2000.

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  • nervous system — /ˈnɜvəs sɪstəm/ (say nervuhs sistuhm) noun the system of nerves and nerve centres in an animal, comprising two major parts, the central nervous system and the peripheral nervous system. See central nervous system, peripheral nervous system,… …  

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