/ Dictionary / Index M macle: Meaning and Definition of Find definitions for: ma•cle Pronunciation: (mak'ul), [key] — n. Mineral. chiastolite. a twinned crystal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Maclaurin series MacLeish Related Content Daily Word Quiz: overture Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language