noun Download 🔗Share A (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a straightedge with markings. Examples : "The carpenter used a ruler to measure the length of the wood carefully. " stationery utensil math device Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A person who rules or governs; someone or something that exercises dominion or controlling power over others. Examples : "The school principal is the ruler of the student body. " politics government royal nation Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To beat with a ruler (as a traditional school punishment). Examples : "The teacher ruled the student's hand with a ruler for misbehaving in class. " education action history culture Chat with AIVocabulary GamePractice Reading