a hard grey rock consisting of nearly pure silica (chert), occurring chiefly as nodules in chalk:houses built of brick and flint [as modifier]:flint implements
[count noun] a piece of flint, especially as flaked or ground in ancient times to form a tool or weapon:the early settlers also found a ready supply of flints in the chalk cliffs
[count noun] a piece of flint used with steel to produce an igniting spark, e.g. in a flintlock gun, or (in modern use) a piece of an alloy used similarly, especially in a cigarette lighter:he struck a light with his flint
