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Webster 1913 Edition

Noun.

One who arraigns.

Coleridge.

arraigner ‎(plural arraigners)

(law) One who arraigns.
- Samuel Taylor Coleridge
  This having been premised, I replied to the assertion above stated, by asserting the direct contrary; namely, that were a similar case conceived between man and man, the severest arraigners of the measure would, on their grounds, find nothing to blame in it.