/ Dictionary / Index N nude mouse: Meaning and Definition of Find definitions for: nude' mouse' Pronunciation: [key] a virtually hairless mutant laboratory-bred mouse having a major immune system deficiency caused by a lack of T cells, and able to accept grafts of foreign tissue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Nude Descending a Staircase,* nudge Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language