/ Dictionary / Index B bundle of nerves: Meaning and Definition of Find definitions for: bun'dle of nerves' Pronunciation: [key] a person who is extremely nervous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bundle of isoglosses Bundt cake Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language