arca

Arca, a genus of bivalve molluscs, family Arcad, whose shells are known as ark-shells.

Cui stragula vestis,Blattarum ac tinearum epul,Putrescit in arca.

Among the reliquary chests, the oldest specimen extant in Spain is the arca santa of Oviedo cathedral.

From the deep water I fished up some coral, and attached to one fragment was a new species of arca.

Through his officials he took part in the levy of the tax, and had a special State-chest (arca praetoria) for the proceeds.