treated as singularA children's game in which one player turns round often and without warning with the aim of catching the other players stealthily creeping up to touch him or her on the back.
Example sentencesExamples
There's a swimming pool, a bit of grass, and a tree around which the children play Grandmother's Footsteps
On long summer evenings when I was still very small we would play Grandmother's Footsteps in the garden of his house in north Oxford.