SUPPLICAVIT, Eng. law. The name of a writ issuing out of the king's bench or chancery, for taking sureties of the peace; it is commonly directed to the justices of the peace, when they are averse to acting in the affair in their judicial capacity. 4 Bl. Com. 233; vide Vin. Ab. h, t.; Com. Dig. Chancery, 4 R.; Id. Forcible Entry, D 16, 17.