Webster dictionary was developed by Noah Webster in the beginning of 19th century. On this website, you can find definition for abacus from the 1913 edition of Webster's Revised Unabridged Dictionary. Define abacus using one of the most comprehensive free online dictionaries on the web.

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abacus
Part of Speech: noun
Results: 5
2. A calculating table or frame; an instrument for performing arithmetical calculations by balls sliding on wires, or counters in grooves, the lowest line representing units, the second line, tens, etc. It is still employed in China.
4. A tablet, panel, or compartment in ornamented or mosaic work.
5. A board, tray, or table, divided into perforated compartments, for holding cups, bottles, or the like; a kind of cupboard, buffet, or sideboard.
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