(A) For or on account of some affection or prejudice. A juryman may be challenged propter affectum; as, because he is related to the party has eaten at his expense, and the like. See Challenge, practice. (B) On account or for some defect. This phrase is frequently used in relation to challenges. A juryman may be challenged propter defectum; as, that he is a minor, an alien, and the like. See Challenge, practice.