What is the meaning of Flint?

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.

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

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

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

Anything figuratively hard.

To furnish or decorate an object with flint.

flint glass

Alternative form of flynt

flint

genitive plural of flinta

a bald head (or bald portion of the head)

bald (having a bald head)

Source: wiktionary.org