nerve definition | Dictionary.com

nerve

[nurv]

noun, verb, nerved, nerv⋅ing.

–noun

1.	one or more bundles of fibers forming part of a system that conveys impulses of sensation, motion, etc., between the brain or spinal cord and other parts of the body.

2.	a sinew or tendon: to strain every nerve.

3.	firmness or courage under trying circumstances: an assignment requiring nerve.

4.	boldness; audacity; impudence; impertinence: He had the nerve to say that?

5.	nerves, nervousness: an attack of nerves.

6.	strength, vigor, or energy: a test of nerve and stamina.

7.	(not in technical use) pulp tissue of a tooth.

8.	Botany. a vein, as in a leaf.

9.	a line, or one of a system of lines, extending across something.

–verb (used with object)

10.	to give strength, vigor, or courage to: Encouragement had nerved him for the struggle.

—Idiom

11.	get on one's nerves, to irritate, annoy, or provoke one: Boisterous children get on my nerves.

Origin:
1350–1400; ME: nerve, tendon < L nervus sinew, tendon; akin to Gk neûron (see neuron ); r. ME nerf < MF < L, as above

Synonyms:
3. steadfastness, intrepidity, fortitude, resolution. 6. power, force, might. 10. strengthen, fortify, invigorate, steel, brace.

Antonyms:
6. weakness. 10. weaken.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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nerve (nûrv)

Any of the cordlike bundles of fibers made up of neurons through which sensory stimuli and motor impulses pass between the brain or other parts of the central nervous system and the eyes, glands, muscles, and other parts of the body. Nerves form a network of pathways for conducting information throughout the body.
The sensitive tissue in the pulp of a tooth.
A sore point or sensitive subject: The criticism touched a nerve.
1. Courage and control under pressure: lost his nerve at the last minute.
2. Fortitude; stamina.
3. Forceful quality; boldness.
4. Brazen boldness; effrontery: had the nerve to deny it.
nerves Nervous agitation caused by fear, anxiety, or stress: an attack of nerves.
A vein or rib in the wing of an insect.
The midrib and larger veins in a leaf.

tr.v. nerved, nerv·ing, nerves
To give strength or courage to.

[Middle English, sinew, nerve, from Old French nerf, from Medieval Latin nervus, from Latin; see (s)neəu- in Indo-European roots.]

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Nerve

Nerve\, n. [OE. nerfe, F. nerf, L. nervus, akin to Gr. ? sinew, nerve; cf. ? string, bowstring; perh. akin to E. needle. Cf. Neuralgia.]

1. (Anat.) One of the whitish and elastic bundles of fibers, with the accompanying tissues, which transmit nervous impulses between nerve centers and various parts of the animal body.

Note: An ordinary nerve is made up of several bundles of nerve fibers, each bundle inclosed in a special sheath (the perineurium) and all bound together in a connective tissue sheath and framework (the epineurium) containing blood vessels and lymphatics.

2. A sinew or a tendon. --Pope.

3. Physical force or steadiness; muscular power and control; constitutional vigor.

he led me on to mightiest deeds, Above the nerve of mortal arm. --Milton.

4. Steadiness and firmness of mind; self-command in personal danger, or under suffering; unshaken courage and endurance; coolness; pluck; resolution.

5. Audacity; assurance. [Slang]

6. (Bot.) One of the principal fibrovascular bundles or ribs of a leaf, especially when these extend straight from the base or the midrib of the leaf.

7. (Zo["o]l.) One of the nervures, or veins, in the wings of insects.

Nerve cell (Anat.), one of the nucleated cells with which nerve fibers are connected; a ganglion cell.

Nerve fiber (Anat.), one of the fibers of which nerves are made up. These fibers are either medullated or nonmedullated. in both kinds the essential part is the translucent threadlike axis cylinder which is continuous the whole length of the fiber.

Nerve stretching (Med.), the operation of stretching a nerve in order to remedy diseases such as tetanus, which are supposed to be influenced by the condition of the nerve or its connections.

Nerve

Nerve\, v. t. [imp. & p. p. Nerved; p. pr. & vb. n. Nerving.] To give strength or vigor to; to supply with force; as, fear nerved his arm.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Language Translation for : nerve

Spanish: nervio,

German: der Nerv,

Japanese: 神経

More Translations »

nerve

A bundle of fibers composed of neurons that connects the body parts and organs to the central nervous system and carries impulses from one part of the body to another.

nerve

c.1374, nerf "sinew, tendon," from M.L. nervus "nerve," from L. nervus "sinew, tendon," metathesis of pre-L. *neuros, from PIE *(s)neu- (cf. Skt. snavan- "band, sinew," Arm. neard "sinew," Gk. neuron "sinew, tendon," in Galen "nerve"). Sense of "fibers that convey impulses between the brain and the body" is from 1606. Fig. sense of "feeling, courage" is first attested 1601; that of "courage, boldness" is from 1809; "impudence, cheek" is 1887. Nerves "nervousness" is attested from 1839; to get on someone's nerves is from 1903. War of nerves "psychological warfare" is from 1940. Nervy "full of courage" is from 1882.

Main Entry: nerve
Pronunciation: 'n&rv
Function: noun
1 : any of the filamentous bands of nervous tissue that connect parts of the nervous systemwith the other organs, conduct nervous impulses, and are made up of axons and dendrites together with protective and supportive structures and that for the larger nerves have the fibers gathered intofuniculi surrounded by a perineurium and the funiculi enclosed in a common epineurium
2 nerves pl : a state or condition of nervous agitation or irritability
3 : the sensitive pulp of a tooth

nerve (nûrv)
n.

Any of the cordlike bundles of nervous tissue made up of myelinated or unmyelinated nerve fibers and held together by a connective tissue sheath through which sensory stimuli and motor impulses pass between the brain or other parts of the central nervous system and the eyes, glands, muscles, and other parts of the body.
The sensitive tissue in the pulp of a tooth.
nerves Nervous agitation caused by fear, anxiety, or stress.

nerve (nûrv) Pronunciation Key
Any of the bundles of fibers made up of neurons that carry sensory and motor information throughout the body in the form of electrical impulses. Afferent nerves carry information to the central nervous system, and efferent nerves carry information from the central nervous system to the muscles, organs, and glands. Efferent nerves include the nerves of the peripheral nervous system, which control voluntary motor activity and of the autonomic nervous system, which controls involuntary motor activity.

nerve

see bundle of nerves; get on someone's nerves; get up (one's nerve); have a nerve; lose one's nerve; of all the nerve; war of nerves.

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