English

ruler

ˈɹulɚ, ˈrulər, ˈruː.lɚ, ˈɹuːlə(ɹ)
Meaning: a flat tool used for measuring or drawing straight lines
Part of Speech: Noun Alternative Readings: ˈrulər, ˈruː.lɚ, ˈɹuːlə(ɹ)

Listen to pronunciation

Example sentences

Use a ruler to draw a straight line.
Use a ruler to draw a straight line.
He is a just and fair ruler.
He is a just and fair ruler.

Usage Notes

Commonly made of wood, plastic, or metal. It can also refer to a person who governs a country.

Sottaku

About Sottaku

Sottaku is an app for learning Chinese, Japanese, Korean, English, Spanish, French, German, and Italian with a strong focus on SRS. It includes automatic flashcard creation for hundreds of thousands of words, grammar breakdowns in example sentences, language-specific study packs where available, adaptive quizzes, mobile apps, a browser extension, and community features. Give it a try now! All learning content is free with no limits on flashcards or study time.

Sottaku is built to match the habits of successful learners. By using Sottaku, you will naturally learn in the most efficient way possible, as proven by countless success stories in the language learning community.

Free Forever

Access all grammar guides, quizzes, and flashcards without paying a cent. Quality education should be accessible to everyone.

Smart SRS System

Our flashcard system uses the FSRS algorithm (also used in Anki) to optimize your review schedule and maximize retention.

Comprehensive Content

From hanzi, kana, hangul, and European vocabulary basics to grammar and reading practice where available, we have lessons for every level. Practice with quizzes tailored to your skill.

Community Chat

Ask level-appropriate questions and get help from the community. Learn together with fellow learners across all 8 supported languages.