used in Lucky by Sebold
only 1 use
(click/touch triangles for details)
something of importance upon which other things depend
architecture or masonry: the central building block at the top of an arch or vault (providing pressure to lock the other blocks into place)
- I smiled at the idea of Diane and Mary Alice lifting up the RSA, his feet doing a wild walk in the air like a Keystone Kop.
Chapter One (56% in)
There are no more uses of "keystone" in Lucky by Sebold.