verb (used with object), de·fined, de·fin·ing.
verb (used without object), de·fined, de·fin·ing.
Origin of define
Examples from the Web for definer
He is the poet or maker of words, as in civilised ages the dialectician is the definer or distinguisher of them.Cratylus|Plato
She knew that in the case of marriage everything depends upon the definer and the occasion.Phyllis of Philistia|Frank Frankfort Moore
You will first note that the definer has not declared what sort of composition.Aristotle|George Grote
And the recent popularity of vers libre and imagisme has made the definer's task harder than ever before.Literature in the Making|Various
Either I am very much mistaken, or Locke the definer has very well defined liberty as "power."Voltaire's Philosophical Dictionary|Voltaire
Word Origin for define
late 14c., "to specify; to end," from Old French defenir "to end, terminate, determine," and directly from Latin definire "to limit, determine, explain," from de- "completely" (see de-) + finire "to bound, limit," from finis "boundary, end" (see finish (n.)). Related: Defined; defining.