/ Dictionary / Index A areca: Meaning and Definition of Find definitions for: a•re•ca Pronunciation: (u-rē'ku, ar'i-), [key] — n. any tropical Asian palm of the genus Areca, as the betel palm. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: areca (Thesaurus) areaway areca nut Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language