The definition of grit is small, often abrasive, particles of sand or stone.
(noun)Little dirt and pebbles stuck in the bottom of your shoe are an example of grit.
See grit in Webster's New World College Dictionary
noun
Origin: with Early ModE vowel shortening < ME grete < OE greot, akin to Ger griess IE base *ghrēu-, to rub hard over, crumble > great
transitive verb gritted, gritting
intransitive verb
See grit in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English gret, sand
Origin: , from Old English grēot
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