1The action of rescinding, revoking, or retracting something; an instance of this. Also: the action or an act of reducing or retrenching something, especially expenditure.
2 rare The action or an act of cutting something off or away; (Surgery) = "resection".
Early 17th century; earliest use found in Richard Knolles (d. 1610), historian and translator. Partly from classical Latin recīsiōn-, recīsiō action of cutting back or pruning, curtailment, reduction (from recīs-, past participial stem of recīdere to cut back + -iō), and partly from French †recision, variant (influenced by classical Latin recīdere) of rescision rescission.