/ Dictionary / Index M maccaroni: Meaning and Definition of Find definitions for: mac•ca•ro•ni Pronunciation: (mak"u-rō'nē), [key] — pl. -nis, -nies. macaroni. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. maccaboy Macdonald Related Content Daily Word Quiz: ablution Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language