1. Noun

   1.

   abacus; soroban

2. 2.

   calculation (esp. of profit and loss); reckoning

Example sentences

• 算盤とは日本のアバカスのことだ。

  A "soroban" is a type of Japanese abacus.

• いや算盤やってるから暗算得意なのかと思って。

  No, I just thought that since you can use an abacus, you might be good at doing calculations in your head.