ALL meanings of grandparent
grand·par·ent
G g - noun grandparent a parent of a parent. 1
- noun grandparent parent of mother or father 1
- noun plural grandparent parents of sb's mother or father 1
- noun grandparent A parent of one’s father or mother; a grandmother or grandfather. 1
- countable noun grandparent Your grandparents are the parents of your father or mother. 0
- noun grandparent the father or mother of either of one's parents 0
- noun grandparent a grandfather or grandmother 0