flint

/flษชnt/

IPA: /F L IH1 N T/

noun
  1. 1

    A hard, fine-grained quartz that fractures conchoidally and generates sparks when struck.

  2. 2

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

  3. 3

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

  4. 4

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

  5. 5

    Anything figuratively hard.

verb
  1. 1

    To furnish or decorate an object with flint.

Source: https://en.wiktionary.org/wiki/flint