[roo-ler] 
| 1. | a person who rules or governs; sovereign. |
| 2. | Also, rule. a strip of wood, metal, or other material having a straight edge and usually marked off in inches or centimeters, used for drawing lines, measuring, etc. |
| 3. | a person or thing that rules paper, wood, etc. |
| 4. | Astrology. the planet primarily associated with any sign of the zodiac or any house of the horoscope: The ruler of Aries is Mars. The ruler of Taurus is Venus. |
| rul·er (rōō'lər) n.
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lər