- An abacus is a tool/device for making arithmetic calculations, consisting of a frame set with rods on which balls or beads are moved.
- A slab forming the top of the capital of a column.
What is abacus and what does abacus mean? Read about the definition and meaning of abacus
abacus
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Etymology & Origin of abacus
Originally Greek word (ábax), first coined circa 1400