Nerve

Definition

Nerve is a noun that refers to a bundle of fibers in the body that transmits sensory and motor signals between the brain, spinal cord, and other parts of the body. It also denotes courage, boldness, or audacity in informal usage.

Parts of Speech

• Noun

Pronunciation

American English

• IPA Pronunciation: /nɜːrv/
• Respelling: NURV

British English

• IPA Pronunciation: /nɜːv/
• Respelling: NURV

Etymology

The word "nerve" originates from Latin "nervus," meaning "sinew" or "tendon," which was later adapted into Old French as "nerf." The term entered Middle English to describe both anatomical structures and metaphorical courage.

Derivatives

• Nervous (adjective)
• Nerve-wracking (adjective)
• Nerveless (adjective)
• Nervously (adverb)
• Innervate (verb)

Synonyms

• Fiber
• Courage
• Audacity

Antonyms

• Fear
• Timidity
• Cowardice

Usage

The term "nerve" is used in medical contexts to describe anatomical structures, as in "The optic nerve transmits visual information." Informally, it refers to courage or boldness: "He had the nerve to challenge the decision."

Related Terms

• Neuron: A specialized cell transmitting nerve impulses.
• Synapse: A junction where nerve impulses pass between neurons.
• Spinal Cord: A central nervous system structure connected to nerves.

Detailed Definitions

Noun

• Anatomical structure: A bundle of fibers that transmit sensory or motor signals.
  • Example: "The sciatic nerve is the longest in the human body."
• Courage or audacity: Refers to boldness or bravery in informal usage.
  • Example: "It took a lot of nerve to speak out against the policy."
• Sensitivity or emotional response: Used metaphorically to describe heightened sensitivity.
  • Example: "The criticism struck a nerve with her."