Flint

Webster's Practical Dictionary- A Practical Dictionary of the Englih Language · 1884 · p. 159

flint, n. (3Iin.) A very hard variety of quartz, which strikes fire with steel, and is an ingredient in gla . A piece of flinty stone formerly used in firearms to strike fire.— Flint'y, -Y, a. [-ier, -iest.] Of, abounding in, or like, etc. — Flint'ine , n.