Breadcrumb Home > Thesaurus > A Synonyms of arcas Find synonyms for: Noun 1. Arca, genus Arca, mollusk genus usage: type genus of the family Arcidae: ark shells and blood clams WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of arcas (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: apotheosis Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language