Abacus
Definition of Abacus
Ab´a`cus Pronunciation: ăb´å`kŭs | n. | 1. | A table or tray strewn with sand, anciently used for drawing, calculating, etc. | | 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. | | 3. | (Arch.) The uppermost member or division of the capital of a column, immediately under the architrave. See Column. | | 4. | 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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