noun🔗Share定規A (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a straightedge with markings."The carpenter used a ruler to measure the length of the wood carefully. "大工は木の長さを慎重に測るために定規を使いました。stationeryutensilmathdeviceChat with AIVocabulary GamePractice Reading
noun🔗Share支配者, 統治者A person who rules or governs; someone or something that exercises dominion or controlling power over others."The school principal is the ruler of the student body. "校長は生徒たちの支配者です。politicsgovernmentroyalnationChat with AIVocabulary GamePractice Reading
verb🔗Share定規で叩くTo beat with a ruler (as a traditional school punishment)."The teacher ruled the student's hand with a ruler for misbehaving in class. "先生は授業中にいたずらをした生徒の手を定規で叩いた。educationactionhistorycultureChat with AIVocabulary GamePractice Reading
