n.
A record-keeping device of the Inca empire consisting of a series of variously colored strings attached to a base rope and knotted so as to encode information, used especially for accounting purposes.
[American Spanish, from Quechua kipu.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.