- Grandmother is the mother of one of your parents.
An example of grandmother is your father's mother.
A grandmother reads to her granddaughter.
grandmother 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.
- the mother of one's father or mother: also a term of respectful familiarity to any elderly woman
- a female ancestor
grandmother definition by American Heritage Dictionary
- The mother of one's father or mother.
- A female ancestor.