Definition of "arca" []

• The type genus of the family Arcidae, including ark shells and blood clams. (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "To the story of St. Dominic (which had already been treated in a masterly manner by Fra Guglielmo, in the "arca" at Bologna, and by"
• "He cited a Mexican saying: "when the arca [vault] comes open, even the most honest will sin.""
• "It is one of a list of such terms, including saccula, cella, arca, thesaurus, forulus, loculumenta, cubilia, and scrinium (to name but a few) ,22 that have been recently plumbed to reveal the depth and continuity of the lineage of architectural mnemonics in the craft of Western thought."