nunchaku[nən-chäˈko͞o] or nun·chuck [nŭnˈchŭkˌ] or num·chuck [nŭmˈ-]
nunchaku definition by American Heritage Dictionary
or nun·chuck or num·chucknoun
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.