/ Dictionary / Index A aiguille: Meaning and Definition of Find definitions for: ai•guille Pronunciation: (ā-gwēl', ā'gwēl), [key] — n. a needlelike rock mass or mountain peak. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. aigrette aiguillette Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language