Meaning of Chisanbop

Chis•an•bop

Pronunciation: (chiz'un-bop"), [key]
— Math., Trademark. Math.,Trademark.
  1. a system for performing basic arithmetic calculations, esp. addition, by counting on one's fingers in a specified way.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.