rocking stone

American  

noun

1. any fairly large rock so situated on its base that slight forces can cause it to move or sway.

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rocking stone British  

noun

1. Also called: logan.   logan-stone.  a boulder so delicately poised that it can be rocked

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Etymology

Origin of rocking stone

First recorded in 1730–40

Example Sentences

"That's all we've got" He leaned his spear against the rocking stone and pushed back two handfuls of hair.

From "Lord of the Flies" by William Golding

In this island cave nature had placed a curiosity, known as a rocking stone.

From Pocket Island A Story of Country Life in New England by Munn, Charles Clark

I was looking out beyond them toward the rivulet, and on my right hand and on my left the tunnel stretched away, leading respectively toward the ch�teau and to the rocking stone at the entrance.

From Jacqueline of Golden River by Coleman, Ralph P. (Ralph Pallen)

Then he went to the rocking stone, and pushing it back, took from the niche, one by one, the bags of coin.

From Pocket Island A Story of Country Life in New England by Munn, Charles Clark

He doubled and sometimes trebled these, and the hoard of silver and gold behind the rocking stone grew rapidly.

From Pocket Island A Story of Country Life in New England by Munn, Charles Clark