Definition of "flint" in English

noun

1. A hard, fine-grained quartz that fractures conchoidally and generates sparks when struck against a material such as steel, because tiny chips of the steel are heated to incandescence and burn in air.

   • He used flint to make a fire.

2. A piece of flint, such as a gunflint, used to produce a spark by striking it with a firestriker.

3. A small cylinder of some other material of the same function in a cigarette lighter, etc.

4. A type of maize/corn with a hard outer hull.

5. (figurative) Anything figuratively hard.

verb

1. (transitive) To furnish or decorate an object with flint.