Word Explorer
Children's Dictionary
Help
Help
Help
 
   
Lookup History
abacus

ab·a·cus

abacus

 
pronunciation:
ae b ks
features:
Word Explorer
part of speech: noun
inflections: abaci, abacuses
definition: a device used for counting or calculating. An abacus has beads or other counters that slide along rods or in grooves.
Word Explorer
See
  mathematics, tool