or nun·chuck [nŭnˈchŭkˌ]
or num·chuck [nŭmˈ-]
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
or nun·chuck or num·chuck noun
A pair of hardwood sticks joined by a chain or cord and used as a weapon. Often used in the plural.
Origin: Okinawan Japanese, probably from Chinese (Taiwanese) neng-cak, type of farm implement, equivalent to Chinese (Mandarin) liǎng, two, paired + Chinese (Mandarin) záo, to dig, digger.