معنی کلمه : hornstone
English
Covered or encumbered with litter; consisting of or constituting litter.
A siliceous stone, a variety of quartz, closely resembling flint, but more brittle; -- called also chert.

Covered or encumbered with litter; consisting of or constituting litter.
A siliceous stone, a variety of quartz, closely resembling flint, but more brittle; -- called also chert.