The definition of a flint is a piece of chert, a form of quartz, that will spark when struck with steel and can be used to start a fire.(noun)
An example of a flint is a useful camping tool to start a campfire.
See flint in Webster's New World College Dictionary
Origin: ME < OE, akin to Norw, stone splinter: see flinders
Origin: after the nearby Flint River, so called from the flint stones in it
See flint in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old English.
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