moderate castigavit

from Bouvier's Law Dictionary, Revised 6th Ed (1856)
MODERATE CASTIGAVIT, pleading. The name of a plea in trespass by which the 
defendant justifies an assault and battery, because he moderately corrected 
the plaintiff, whom he had a right to correct. 2 Chit. Pl. 676; 2 Bos. & 
Pull. 224. Vide Correction, and 15 Mass. R. 347; 2 Phil. Ev. 147; Bac. Ab. 
Assault, &c. C. 
     2. This plea ought to disclose, in general terms, the cause which 
rendered the correction expedient. 3 Salk. 47. 
    

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