The offense of attempting to overthrow the government of the state to which the offender owes allegiance, or of betraying the state into the hands of a foreign power; disloyalty; treachery. The treason of the murthering in the bed. Chaucer.
Loosely, the betrayal of any trust or confidence; treachery; perfidy. If he be false, she shall his treason see. Chaucer. Petit treason. See under Petit.
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