1. The fossil shell Gryphæa of the Oolite and Lias.
11677. Plot, Oxfordsh., 105. The petrified Concha oblonga crassa found in Worcestershire, and there called Crow-stones, Crow-cups, or Egg-stones.
22. A kind of hard white flinty sandstone in the Yorkshire and Derbyshire coal-fields. Cf. CROW 10.
31778. J. Whitehurst, Orig. State of Earth, 163. These beds [strata incumbent on coal in Derbyshire] are more white and are commonly called crow-stone.
41811. Farey, Derbyshire, I. 17980. The immediate floor of every coal seam within all this large district is a peculiar kind of hard stone, called Crowstone, or Ganister.
51864. J. C. Atkinson, in Gentlem. Mag., 165 Celtic Kitchen-refuse-heap at Normanby in Cleveland. The querns were formed, one of the so-called white flint, or crow-stone, of the neighbourhood [Cleveland].
63. The top stone of the gable end of a house (Halliwell).
7Crow-stone. World English Historical Dictionary
- Crow-stone. World English Historical Dictionary