Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Math. a sequence of movements in which the direction of each successive move is determined entirely at random
Used by arrangement with John Wiley & Sons, Inc.
noun StatisticsThe 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.
A series of sequential movements in which the direction and size of each move is randomly determined.