grandparent

n.

祖父或祖母；外祖父或外祖母；

复数：grandparents

1. Worry had greyed grandparent's hair.
   祖父愁白了头发
2. I had no grandparent to stand proudly for me.
   没有祖父母会为我自豪地站起来。
3. The three children have been sponging on their grandparent for over ten years.
   10多年来这3个孩子一直靠他们的姥爷、姥姥养活。

Grandparent
NEW AMERICAN GRANDPARENT
The changing American grandparent.
The Grandparent/Grandchild Relationship: Family Resource in an Era of Voluntary Bonds
How Americans enact the grandparent role across the family life course.
Grandparent-grandchild contact and attitudes toward older adults: moderator and mediator effects.
Frequency of Grandparent Contact With Grandchild Sets: Six Factors That Make a Difference
College students' expectations of grandparent and grandchild role behaviors.
New burdens or more of the same? Comparing grandparent, spouse, and adult-child caregivers
Family Contingencies Across the Generations: Grandparent-Grandchild Relationships in Holistic Perspective