great-
great-
prefix
1. being the parent of a person's grandparent (in the combinations great-grandfather, great-grandmother, great-grandparent)
2. being the child of a person's grandchild (in the combinations great-grandson, great-granddaughter, great-grandchild)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations
great-
(greit) separated by one generation more than (an uncle, grandfather etc). A great-uncle is one's father's or mother's uncle; a great-grandchild.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.