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.
One of a pair of slender sticks made especially of wood or ivory, held between the thumb and fingers and used as an eating utensil in Asian countries and in restaurants serving Asian food.
Origin: Pidgin English chop, quick (probably from Cantonese kap; akin to Mandarin jí) + stick.