dictionary.pt
abacus
nounmasculinegeneral usecommon/ɐˈβaku/á·ba·co
Definition
1An ancient calculating tool consisting of a frame with rods on which beads are moved.
Usage examples
“The merchant used an abacus to calculate the price.”
“Learning to use an abacus can improve mental arithmetic.”
Synonyms
Common combinations
Roman abacusbeads of an abacus