Abacus in spanish
abacus [abacuses/abaci, -pl.]1 = ábaco.Example: The abacus, with its beads strung on parallel wires, led the Arabs to positional numeration and the concept of zero many centuries before the rest of the world.
abacus2 = ábaco. [Arquitectura]Example: The abacus is a square slab that sits on top of the column's capital and supports the architrave or arch.