The levelers in the reign of Hen. I., who acknowledged no head or superior. Leges H. 1; Cowell. Also certain ancient heretics, who appeared about the be-ginnlng of the sixth century, and asserted that there was but one substance in Christ, and one nature, wharton; Gibbon, Rom. Bmp. ch. 47
Source: Black's Law Dictionary 2nd Ed (1910)