stepgrandmother (English, noun)
expansion: stepgrandmother (plural stepgrandmothers)
Senses:
glosses: The stepmother of one's father or mother and the wife of one's grandfather, usually a woman that one's grandfather marries after the divorce of one's grandparents or the death of one's grandmother.
glosses: The mother of one's stepmother or stepfather.
Forms:
form: stepgrandmothers
tags: plural
form: step-grandmother
tags: alternative