Definition of abacus

Definitions

abacus

noun (pl=abacuses, pl2=abaci) (i, considered pedantic)

(obsolete) A table or tray strewn with sand, anciently used for drawing, calculating, etc.
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.

I've heard merchants still use an for adding things up in China.

(architecture) The uppermost member or division of the capital of a column, immediately under the architrave.
(archaic) A tablet, panel, or compartment in ornamented or mosaic work.
A board, tray, or table, divided into perforated compartments, for holding cups, bottles, or the like; a kind of cupboard, buffet, or sideboard.

Translations:

Dutch: telraam_(nl)n, abacus^(nl)m
French: tailloir^{(fr, abaque, f, {{t-, fr)}m
German: Kapitelldeckplatte_(de)f
Italian: abaco^(it)m
Spanish: í¡baco^(es)m

Etymology: Entered English circa 16th century. (term, abacus, lang=la), (term, abax, lang=la); from Greek (term, sc=polytonic, á, tr='a`bax) (board covered with sand), from (term, sc=Hebr, , tr=ÄvÄq) (dust).

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