/ Dictionary / Index M myrica: Meaning and Definition of Find definitions for: my•ri•ca Pronunciation: (mi-rī'ku), [key] — n. the bark of the wax myrtle. the bark of the bayberry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: myrica (Thesaurus) myriapod myringotomy Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language