Definition of ruler in English:
1A person exercising government or dominion.
- Luanda on the Angola coast was a Portuguese town from which they tried to exercise control over African rulers inland.
- Hence the exercise of the ruler's authority could be decisive in determining the outcome of local rivalries.
- In February workers overthrew the dictatorial ruler, the Tsar.
2A straight strip or cylinder of plastic, wood, metal, or other rigid material, typically marked at regular intervals and used to draw straight lines or measure distances.
- I then showed them how to use a white pencil to trace circles of various sizes and straight lines with rulers.
- Using the metal ruler as a straight edge cut 10 1-inch right triangles with the craft knife.
- The size of swelling and redness were measured with a plastic ruler, while the child's reaction to movement of the limb or to touch of the site was graded with a standard scale.
- Example sentences
- I believe she was still fighting at the last, possibly to retain her rulership and to pass that on to her son.
- Plato later built on this idea in The Republic to argue that rulership was a skill like any other, and that therefore we should be governed by experts.
- Apart from the Sun and Moon each planet has two rulerships - one diurnal, one nocturnal - to recognise their expression in these altered states.