The definition of precedent is a decision that is the basis or reason for future decisions.(noun)
An example of precedent is the legal decision in Brown v. Board of Education guiding future laws about desegregation.
See precedent in Webster's New World College Dictionary
Origin: ME < MFr précédent < L praecedens, prp. of praecedere, to precede
See precedent in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old French
Origin: , from Latin praecēdēns, praecēdent-
Origin: , present participle of praecēdere, to go before; see precede.
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