grape·shot (gr?p?sh?t?)n.1. A cluster of small iron balls or other small projectiles, often contained in a canvas bag, that scatter when fired from a cannon, formerly used as an antipersonnel round.2. Such balls or projectiles considered as a group.[From its resemblance to a cluster of grapes.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.grapeshot (??re?p???t) n (Firearms, Gunnery, Ordnance & Artillery) ammunition for cannons consisting of a canvas tube containing a cluster of small iron or lead balls that scatter after firingCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014grape?shot (?gre?p???t) n. a cluster of small cast-iron balls formerly used as a charge for a cannon. [1740?50] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.