busboy definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a worker in a restaurant who sets and clears tables, brings water, etc.
busboy definition by American Heritage Dictionary
also bus boynoun
A restaurant employee who clears away dirty dishes, sets tables, and serves as an assistant to a waiter or waitress.
Origin: (omni)bus + boy.