Flinty \Flint"y\, a. [Compar. {Flintier}; superl. {Flintiest}.]
Consisting of, composed of, abounding in, or resembling,
flint; as, a flinty rock; flinty ground; a flinty heart.
[1913 Webster]
{Flinty rock}, or {Flinty state}, a siliceous slate; --
basanite is here included. See {Basanite}.
[1913 Webster]