DRAKESTONE n.
A flat stone so thrown along the surface of water as to skip from point to point before it sinks; also, the sport of so throwing stones; -- sometimes called ducks and drakes. Internal earthquakes, that, not content with one throe, run along spasmodically, like boys playing at what is called drakestone. De Quincey.…
EYESTONE n. 2 definitions
A small, lenticular, calcareous body, esp. an operculum of a small shell of the family Tubinid, used to remove a foreign sub stance from the eye. It is rut into the inner corner of the eye under the lid, and allowed to work its way out at the outer corner, bringing with the substance.