-gram(word root) writingExamples of words with the root -gram: epigramAbused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embreegram 1 (gr?m)n. Abbr. g or gm. or gr. A metric unit of mass equal to one thousandth (10-3) of a kilogram. See Table at measurement.[French gramme, from Late Latin gramma, a small weight, from Greek, something written, small weight; see gerbh- in Indo-European roots.]gram 2 (gr?m)n.1. Any of several legumes, such as the chickpea, bearing seeds used as food.2. The seeds of such a plant.[Obsolete Portuguese, from Latin gr?num, seed; see gr??-no- in Indo-European roots.]gram 3 (gr?m)n. Informal A grandmother.[Shortening and alteration of gramma or grandmother.]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.gram (?ræm) n (Units) a metric unit of mass equal to one thousandth of a kilogram. It is equivalent to 15.432 grains or 0.002 205 pounds. Symbol: g [C18: from French gramme, from Late Latin gramma, from Greek: small weight, from graphein to write]gram (?ræm) n1. (Plants) any of several leguminous plants, such as the beans Phaseolus mungo (black gram or urd) and P. aureus (green gram), whose seeds are used as food in India2. (Plants) the seed of any of these plants[C18: from Portuguese gram (modern spelling grão), from Latin gr?num grain]gram (?r??m) n (Sociology) (in India) a village[Hindi]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014gram1 (græm) n. a metric unit of mass or weight equal to 15.432 grains; 1/1000 of a kilogram. Abbr.: g, gr, gr. Also, esp. Brit., gramme. [1790?1800;