abacus

ab-a-cus · noun

imported

Definitions

noun

  1. 1.

    A calculating device consisting of a frame with rows of wires or grooves along which beads are slid, used for arithmetic operations.

  2. 2.

    (Architecture) A flat slab forming the top of a capital in a column.

Forms

plural: abacuses

Related words

See also: arithmetic, calculator
Synonyms: counting frame

Etymology

From Latin abacus, from Greek abax (board, calculating table), possibly from Hebrew abaq (dust).