/ Dictionary / Index N nimbo-: Meaning and Definition of Find definitions for: nimbo- Pronunciation: [key] a combining form representingin compound words: nimbostratus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nimble nimbostratus Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language