Commonly encountered; usual. See Synonyms at common. Of no exceptional ability, degree, or quality; average. Of inferior quality; second-rate. Having immediate rather than delegated jurisdiction, as a judge. Mathematics Designating a differential equation containing no more than one independent variable. The usual or normal condition or course of events: Nothing out of the ordinary occurred. Law A judge or other official with immediate rather than delegated jurisdiction. Law The judge of a probate court in some states of the United States. Ecclesiastical The part of the Mass that remains unchanged from day to day. Ecclesiastical A division of the Roman Breviary containing the unchangeable parts of the office other than the Psalms. Ecclesiastical A cleric, such as the residential bishop of a diocese, with ordinary jurisdiction over a specified territory. Heraldry One of the simplest and commonest charges, such as the bend and the cross. Chiefly British A complete meal provided at a fixed price. Chiefly British A tavern or an inn providing such a meal.