ETYM Old Eng. reule, riule, Old Fren. riule, reule, French régle, from Latin regula a ruler, rule, model, from regere, rectum, to lead straight, to direct. Related to Right, Regular.
1. A systematic body of regulations defining the way of life of members of a religious order.
2. A principle or condition that customarily governs behavior; SYN. regulation.
3. A rule describing (or prescribing) a linguistic practice; SYN. linguistic rule.
4. Prescribed guide for conduct or action; SYN. prescript.
5. Directions that define the way a game or sport is to be conducted.
6. (Mathematics) A standard procedure for solving a class of problems; SYN. formula.
7. The duration of a monarch's or government's power.
8. A strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths; SYN. ruler.
1. One that rules; specifically; sovereign
2. A worker or a machine that rules paper
3. A smooth-edged strip (as of wood or metal) that is usually marked off in units (as inches) and is used as a straightedge or for measuring
4. A person who rules or commands.