A chest, box, or ark, especially in biblical or historical contexts; also used in scientific taxonomy for certain shell-bearing organisms.
From Latin arca meaning chest or box, related to the root meaning to enclose or confine. This same root gives us the word 'ark' in English.
The word 'arca' is the original Latin source for our word 'ark'—which is why both Noah's Ark and the Ark of the Covenant share this ancient root meaning simply 'a box or container,' yet they've become some of the most mythically significant containers in history.
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