àbac

Etymology
, ; from.

Noun

 * 1) an abacus calculating frame with beads constrained to rows by grooves or wires
 * 2)  in the Middle Ages, a mathematics textbook
 * 3) a mathematical table
 * 4)  score string
 * 5) an abacus sand tray used for drawing or calculating
 * 6)  an abacus uppermost prismatic member of a column
 * 7)  a checkerboard or a chessboard
 * 8)  an abacus compartmented tray or table used to store valuables
 * 9)  More generally, now used for any table
 * 10) a sluice, especially one used for mining
 * 11)  an abacus plates of stone or metal used to cover a surface