Breadcrumb Home > Dictionary > Index N nervous system: Meaning and Definition of Find definitions for: nerv'ous sys"tem Pronunciation: [key] — Anat., Zool. Anat.,Zool. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. a particular part of this system. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nervous Nellie nervule TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: acme Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language