/ Dictionary / Index A Arcata: Meaning and Definition of Find definitions for: Ar•ca•ta Pronunciation: (är-kā'tu), [key] — n. a town in NW California. 12,338. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Arcas arcature 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