arca

noun

ar·​ca

ˈärkə

1

plural arcae

-ˌkī,

-ˌsē

[Latin] : a chest or strong box used in ancient times as a receptacle for money or valuables and also by early Christians for reserving the consecrated bread of the Eucharist

2

capitalized : a genus (the type of the family Arcidae) of bivalve mollusks comprising the ark shells and blood clams

Word History

Etymology

New Latin, from Latin, chest, box

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